Geometry Glossary Research Paper Geometry GlossaryAcute

Geometry Glossary Essay, Research Paper

Geometry Glossary

Acute angle

– an angle whose step is greater than 0 but less than 90 grades ; see obtuse angle

Adjacent angles

– 2 nonstraight and nonzero angles that have a common side in the inside of the angle formed by the noncommon sides

Algorithm

– a sequence of stairss taking to a coveted terminal

Alternate exterior angles

– outside angles on surrogate sides of the transversal ( non on the same parallel line )

Alternate interior angles

– ditto as above, merely with interior angles

Altitude

– tallness

Altitude of a conelike solid

– the length of a section whose end points are the vertex and a point on the plane of the base that is perpendicular to the plane of the base

Altitude of a cylindric solid

– the distance between the planes of the bases

Altitude of a trapezoid

– the distance between the bases of a trapeziod

Altitude of a trigon

– the perpendicular section from a vertex to the line incorporating the opposite side of a trigon

Equivocal

– non stable ; altering

Analytic geometry

– see coordinate geometry

Angle

– the brotherhood of 2 beams that have the same end point ; measured in grades or radians ( trig.

) ; the five types of angles are zero, ague, right, obtuse, and straight

Angle bisector

– a beam that is in the inside of an angle and signifiers two equal angles with the sides of that angle

Angle step between a line and a plane

– the smallest of the angles formed when a line intersects a plane

Angle side

– 1 of the two beams organizing an angle

Ancestor

– the & # 8216 ; if & # 8217 ; portion of a conditional ; represented by P ; aka hypothesis, given, job ; see consequent

Area

– the sum of infinite taken up in a plane by a figure

Discharge

– a way from one node in a web to another ; doesn & # 8217 ; Ts have to be consecutive & A ; can be more than 1 line between 2 nodes ; portion of a circle ; see minor discharge, major discharge

Arc length

– the distance between an discharge & # 8217 ; s end points along the way of the circle

Area ( F )

– the country of figure F

Automatic drawer

– a computing machine plan that lets you build buildings

Axis

– the line incorporating the vertex of a conelike solid and the centre of the base

Base

– the side of an isoscoles trigon whose end points are the vertices of the base angles

Base angle

– the angle opposite one of the equilateral sides in an isoscoles triangle

Base angle of a trapezoid

– consecutive angles that portion a base of a trapezoid

Base of a conelike solid

– the two-dimensional part that forms the widest point of a conelike solid ; frequently labeled as the & # 8216 ; bottom & # 8217 ; of the conelike solid, it determines the exact form of the conic solid

Base of a cylindric solid

– the original part and its interlingual rendition image

Base of a trapezoid

– the parallel sides of a trapezoid

Biconditional

– a conditional and its converse where the converse is besides true ; uses the words if and merely if ; written pq

Bilateral symmetricalness

– see contemplation symmetricalness

Bisector of an angle

– see angle bisector

Bisector pf a section

– any plane, point or planar figure incorporating the the center of the section and no other points on that section

Box

– a surface made up of rectangles ; a rectangular parallelpided

Capacity

– see volume

Cartesian plane

– a co-ordinate plane

Center of a circle

– the point that all points in the circle are equidistant from

Center of a rotary motion

– the point where the two crossing lines of a rotary motion meet

Center of gravitation

– the mean of the co-ordinates of points in a figure, whether one, two, or 3-dimensional

Cardinal angle of a circle

– an angle whose vertex is the centre of the circle

Chord of a circle

– a section whose end points are on a circle

Circle

– the set of points on a plane at a certain distance ( radius ) from a certain point ( centre ) ; a polygon with infinite sides

Circularity

– when on a hunt, circling back to a old topographic point visited ( definition, web site, etc.

) , normally unhelpful or excess

Circumference

– the margin of a circle

Clockwise

– in orientation, the way in which the points are named when, if going along the line, the inside of the polygon is on the right ( got all that? ) ; see counterclockwise

Coincident lines

– lines that are indistinguishable ( one and the same )

Colinear

– in the same line

Compass

– a pulling tool used to pull circles at different radii

Complementary angles

– 2 angles whose steps, when added together, equal 90 grades ; see auxiliary angles

Composite transmutation

– The complex of a first transmutation S and a 2nd transmutation T is the transmutation mapping a point P onto T ( S ( P ) ) . When written T2 T1, do T1 foremost ; see interlingual rendition, rotary motion, glide contemplation, similarity transmutation

Concave

– see nonconvex

Concentric circles

– circles that portion the same centre, but have different radii

Conditional

– a statement that tells if one thing happens, another will follow ; written as pq ; see ancestor, consequent, converse, opposite, contrapositive

Cone

– the surface of a conelike solid whose base is a circle ; see right cone

Congruity tranformation

– see isometry

Congruent

– equilateral, equal, precisely the same ( size, form, etc. )

Congruent figures

– two figures where one is the image of the other under a contemplation or complex of contemplations ; written AB

Conic subdivision

– plane subdivision of a cone

Conic solid

– the set of points between a point ( the vertex ) and a non-coplanar part ( the base ) , including the point and the part ; see cone, pyramid, regular pyramid, right cone

Speculation

– an educated conjecture or sentiment ; a hypothesis

Back-to-back sides

– sides of a polygon that portion an end point

Back-to-back vertices

– end points of a individual side of a polygon

Consequent

– the & # 8216 ; so & # 8217 ; portion of a conditional ; represented by Q ; aka decision, turn out, reply

Constant of an equation

– the term that has no variable in an equation ; illustration: Degree centigrade

Construction

– a precise manner of pulling which allows merely 2 tools: the straightedge and the compass

Contraction

– a size alteration where K is less than 1

Contrapositive

– a type of conditional ; if non q, so non p ; written q P ; see opposite

Converse

– a reversed conditional ; if a conditional is pq, than its converse is qp

Convex set

– a set of points in which all sections linking points of the set prevarication wholly in the set ; There are three things one can make to see if a figure is bulging & # 8211 ; expression for & # 8220 ; dents & # 8221 ; , extend the sections ( they shouldn & # 8217 ; t enter the figure ) , and connect any two points within the figure with a section ( if any portion of the section lies outside the figure, it & # 8217 ; s concave ) ; see nonconvex put

Coordinate

– a figure that identifies ( or helps to place ) a point on a figure line ( or on a plane, or in infinite )

Coordinate geometry

– the survey of geometrically stand foring ordered braces of Numberss

Coordinate plane

– a plane in which every point is identified with precisely 1 figure and frailty versa ; a planar graph

Coordinatized line

– a line on which every point is identified with precisely 1 figure and frailty versa ; a unidimensional graph. The distance between 2 parts on a coordinatized line is the absolute value of the difference of their co-ordinates.

Coplanar

– within the same plane

Corollary to a theorem

– a theorem that is easy proved from the first

Matching angles

– any brace of angles in similar locations with regard to a transversal

Coterminal angles

– two angles that have the same terminal side

Counterclockwise

– in orientation, the way in which points are named when, if going on the line, the inside of the figure is on the left side ; see clockwise

Counterexample

– a state of affairs in a conditional for which the ancestor is true, but the conditional is false ; aka contradiction

Cylindric solid

– the set of points between a part and its interlingual rendition in infinite, including the part and its image

Cylinder

– the surface of a cylindric solid whose base is a circle ; see right cylinder

Cylindrical surface

– the brotherhood of the bases and the sidelong surface

Decagon

– a ten-sided polygon

Degree

– unit used to mensurate angles

Dense line

– the line that contains the shortest way between two points

Diagonal

– a section in a polygon whose end points are 2 nonconsecutive vertices

Diameter of a circle ( or sphere )

– the section whose end points are points on a circle ( or sphere ) that contains the centre of the circle as its center ; the length of that section

Dilation

– see size alteration

Dilatation

– see size alteration

Dimensions

– the breadth, length, and tallness of a plane or infinite figure

Direction

– the manner a figure goes & # 8211 ; positive or negative

Direction of a interlingual rendition

– the compass way in which a interlingual rendition goes ( duh )

Discrete Line

– a line made of points with infinite inbetween their centres

Distance

– the distance between points A and B is written as AB

Distance between 2 parallel lines

– the length of a perpendicular section between them

Dodecagon

– a twelve-sided polygon

Point

– a description of a point in which the point has a definite size

Duodecagon

– a twelve-sided polygon

Pulling

– a freehand image utilizing any tool ; see building

Edge

– a section that helps to do up a face

Empty set

– see void set

Ends of a kite

– the common vertices of the equilateral sides of a kite

Enneagon

– a nine-sided polygon

Equianglular

– holding angles of the same step

Equidistant

– the same distance from something

Equilateral

– peer in length

Equilateral trigon

– a trigon whose sides are equal in length

Even node

– a node that has an even figure of discharge

Exclusive or

– 1 or the other, but non both

Experiential statement

– a conditional that uses the word & # 8217 ; same & # 8217 ;

Expansion

– a size alteration where K is greater than 1

Exterior angles

– angles outside of two lines cut by a transversal ; see interior angles

Exterior of an angle

– the nonconvex set formed by an angle that measures less than 180 grades ; see inside of an angle

Extremes

– in the proportion, a and vitamin D ; see agencies

Face

– a polygonal part of a surface

Family tree

– hierarchy ; tower or pyramid of power or importance

Figure

– a set of points

45-45-90 trigon

– an isoscoles right triangle

Cardinal part

– a part used in a tesselation

Geometric mean

– the figure g such that for two Numberss a and B,

Given

– information assumed to be true in a cogent evidence

Glide contemplation

– a type of composite transmutation where a figure is reflected and so translated in a parallel way

Goldback & # 8217 ; s Speculation

– if N is an even figure greater than 2, so there are ever 2 premier Numberss whose amount is n

Class

– the joust of a real-life object in relation to the horizontal, frequently used to find how steep a hill is

Graph theory

– the mathematics of complicated webs

Great circle

– the circle formed by the intersection of a domain and the plane that contains its centre and that divides the sphere into two hemispheres ; see little circle

Grid

– a tesselation of congruent squares sometimes used to mensurate distance

Harmonic mean

– two times the merchandise divided by the amount of the two Numberss

Hemisphere

– half of a domain

Heptagon

– a seven-sided polygon

Hexagon

– a six-sided polygon

Hidden lines

– broken lines used to mean lines that usually wouldn & # 8217 ; t be seen in a drawing

Hierarchy

– a chart that shows changing degrees of importance

Horizontal line

– a line whose incline is zero

Hypotenuse

– the side opposite the right angle in a right trigon

Icosahedron

– a 20-sided solid ; each side is in the form of a trigon

Identity contemplation

– a contemplation where the preimage and the image are the same ; see contemplation symmetricalness

Identitiy transmutation

– a size alteration where K equals 1

IFF

– if and merely if ; see biconditional

If-then statement

– see conditional

Image

– the contemplation of the preimage

Improper subset

– a subset that includes the full parent set ; see proper subset

Included angle

– the angle made by two sides of a polygon

Included side

– the side between two angles in a polygon

Inclusive or

– 1 or the other, or both ; and/or

Space

– uncountable

Initial side

– the side that the measuring of an angle starts from ; see terminal side

Case of a sentence

– a state of affairs where the statement is true

Interior angles

– angles between two lines cut by a transversal ; see exterior angles

Interior of an angle

– the convex set formed by an angle that measures less than 180 grades ; see outside of an angle

Interior of a circle

– the set of points whose distance from the centre of the circle is less than that of the radius

Intersecting planes

– planes that portion a line

Intersection of two sets A and B

– the set of elements which are in both A and B ; written AB

Inverse

– a signifier of conditional ; if non p, so non q ; written p Qs

Irrational figure

– decimal figure that ne’er ends, ne’er repetitions ( Ex: pi )

Irregular part

– part whose boundary is non the brotherhood of round discharge or sections

Isometry

– a transmutation that keeps the same size and form of a figure but moves it to a new location ; see contemplation, rotary motion, interlingual rendition, glide contemplation

Isoscoles trapezoid

– a trapezoid that has a brace of equiangular base angles

Isoscoles triangle

– a trigon with two sides of equal length

Kite

– a four-sided that has two distinguishable braces of back-to-back equilateral sides

L.A.

– sidelong country

Lateral country

– the country of the sidelong surface of a solid

Lateral border

– a section whose end points are matching points of a cylindric solid & # 8217 ; s bases, or whose end points are the vertex of a conelike solid and a vertex of its base

Lateral faces

– the faces of the sidelong surface of a prism, or a face of a pyramid that is non a base

Lateral surface

– the surface non included in the base ( s )

Lattice points

– points in the co-ordinate plane with whole number co-ordinates

Leg of a right trigon

– a side of a right trigon that include the 90 grade angle

Limit

– the existent country of a part

Line

– a planar object that has no end points and continues on forever in a plane ; formed of infinite points ; the 3 orientations that lines may hold are horizontal, perpendicular, oblique, and skew lines ; written

Linear equation

– Ax + By + C = 0

Linear brace

– 2 auxiliary next angles whose noncommon sides form a line

Linear term of an equation

– the term with a variable, but no advocate in an equation ; illustration: By in a additive equation

Line figure

– Numberss on the left side of a computing machine screen that tell the computing machine in what order to make instructions in a computing machine programming linguistic communication such as BASIC

Line of contemplation

– the line that is reflected over in a contemplation

Line perpendicular to a plane

– a line perpendicular to every line in the plane that it intersects ( or any one of them )

Lines of sight

– lines from an oculus to what it sees that show position and what size to pull it

Location

– 1 of the four chief description of a point

Venue

– the set that satisfies a given status

Magnitude

– the V

alue of a figure ; its distance from the beginning

Magnitude of a rotary motion

– the sum of rotary motion in grades

Magnitude of a interlingual rendition

– the distance between any point and its image

Major discharge

– an discharge whose end points form an angle over 180 grades with the centre of the circle ; written & # 8211 ; the excess missive is used to separate it from a minor discharge ; see minor discharge

Maping

– doing a transmutation

Matrix

– agreement of pels

Mean

– norm

Meaning

– a version of a conditional that defines a term, where the term is in the ancestor ; see sufficient status

Meanss

– in the proportion, B and degree Celsius ; see extremes

Measure

– the sum of openness in an angle

Measure of an discharge

– The step of minor discharge or major discharge is the step of its cardinal angle.

Median

– the section linking the vertex of an angle in a trigon to the center of the side opposite it

Center

– the point M of where AM = AB

Minor discharge

– an discharge whose end points form an angle less than 180 grades with the centre of the circle ; written ; see major discharges

Internet

– a 2-D figure that can be folded on its sections or curved on its boundaries to organize a 3-D figure ; see article here

Network

– a group of nodes and discharge

N-gon

– a polygon with n sides

Node

– a description of a point in a web where it is possible for two different sections to portion the same end points

Nonagon

– a nine-sided polygon

Nonconvex set

– a set of points in which non all sections linking points of the set prevarication wholly in the set ; equivalent word: concave ; see convex set

Non-Euclidean geometry

– solid geometry

Non-included side

– the side of a trigon that is non included by 2 given angles

Non-overlapping parts

– parts that don & # 8217 ; t portion interior points

Nonperspective drawing

– a 3-dimensional drawing that doesn & # 8217 ; t utilize position

Null set

– a set with nil in it

Number line

– a coordinatized line

Oblique prism or cylinder

– a non-right prism or cylinder

Oblique line

– a line that has a definite incline non equal to zero

Obtuse angle

– an angle whose step is greater than 90 but less than 180 grades ; see acute angle

Octagon

– an eight-sided polygon

Odd node

– a node with an uneven figure of discharge

Unidimensional

– holding length, but no breadth ; illustrations: a line, a beam, a section

Opposite faces

– faces that prevarication in parallel planes

Opposite beams

– two beams with a common end point that form a line

Ordered brace

– the two Numberss that ( called co-ordinates ) are used to place a point in a plane ; written ( x, Y )

Ordered three-base hits

– the three Numberss ( called co-ordinates ) that are used to place a point in infinite ; written ( x, Y, omega )

Orientation

– in an image alteration, the way in which the points named go ( i.e. , how A & # 8217 ; s place relates to B & # 8217 ; s and B & # 8217 ; s relates to C & # 8217 ; s ) ; either clockwise or counterclockwise for figures

Overlaping trigons

– trigons that portion a side or angle

Parallel lines

– two or more coplanar lines that have no points in common or are indistinguishable ( eg, the same line )

Parallelogram

– a four-sided with both braces of opposite sides parallel

Parallelpiped

– a prism whose opposite faces are all parallelograms and congruent ( in brace )

Parallel planes

– planes that have no points in common

Pentadecagon

– a 15-sided polygon

Pentagon

– a five-sided polygon

Margin of a polygon

– the amount of the lengths of the sides of the polygon

Perpendicular bisector

– the bisector of a section perpendicular to it

Perpendicular lines

– 2 sections, beams, or lines that form a 90 grade angle

Perpendicular planes

– planes in which any two intersecting lines, one in each plane, organize a right angle

Position

– feeling of deepness

Perspective drawing

– a drawing in which, in order to demo perspective, oblique analogue lines will run into

Pi

– written P ( for those of you who can & # 8217 ; t read math tickets yet ) ; the ratio C/D where C is the perimeter and D is the diameter of a circle ; 3.14159265359

Pixel

– little point of colour that makes up computing machine and Television screens

Airplane

– a planar group of points that goes on boundlessly in all waies ; made up of infinite lines

Airplane figure

– a set of points that are on a plane

Plane geometry

– the survey of planar figures in a plane

Plane subdivision

– the intersection of a figure with a plane

Point

– a zero-dimensional figure ; while normally left vague, has four chief representions & # 8211 ; the point, the node, the location, and the ordered brace of Numberss

Mutual opposition of a variable

– the positiveness or negativeness of a variable ; its way

Polygon

– a brotherhood of 3 or more sections where each section intersects 2 other sections, one at each end point ; & # 8220 ; many sided & # 8221 ; ; see automatic polygon

Polygonal part

– the brotherhood of a polygon and its inside

Polyhedron

– a 3-dimensional surface which is the brotherhood of polygonal parts and has no holes

Postulate

– a statement assumed to be true without cogent evidence ; see theorem

Preimage

– the original object that is reflected

Prism

– the surface of a cylindric solid whose base is a polygon ; see right prism, parallelpiped, box

Proof

– a sequence of justified decisions used to turn out the cogency of an if-then statement

Proper subset

– a subset that doesn & # 8217 ; t include everything in its parent set ; see improper subset

Proportion

– a statement that two ratios are equal

Proportional

– one of four Numberss that form a true proportion

Protracter

– a tool used to mensurate angles

Prove

– the end of a cogent evidence

Pyramid

– the surface of a conelike solid whose base is a polygon ; see regular pyramid

Pythagorean three-base hit

– a set of three Numberss that can be side lengths of a right trigon

Q.E.D.

– & # 8220 ; quod erat demonstrandum & # 8221 ; ( Latin ) This stems from medieval transcribers & # 8217 ; accustomed inclination of interpreting the Greek for & # 8220 ; this was to be demonstrated & # 8221 ; to the Latin phrase supra. This appeared originally at the terminal of many of Euclid & # 8217 ; s propositions, meaning that he had proved what he set out to turn out.

Q.E.F.

– & # 8220 ; quod erat faciendum & # 8221 ; is the Latin for & # 8220 ; which was to be done & # 8221 ; It appears in Latin interlingual renditions of Euclid & # 8217 ; s works meaning that he had demonstrated what he had set out to show.

Quadrilateral

– a quadrilateral polygon ; see four-sided

Quadratic equation

– Ax2 + By + C = 0

Quadratic term of an equation

– the term Ax2 in a quadratic equation

Quadrilateral

– a quadrilateral polygon ; see diamond, parallelogram, square, rectangle, trapezoid, isoscoles trapezoid, kite

Roentgen

– rotary motion

R

– radius

Radius

– plural signifier of radius

Radius

– the section whose end points are any point on a circle or sphere and its centre ; the length of that section

Rate

– a ratio where the measures are of different sorts ; illustration: 60 stat mis per hr

Ratio

– a quotient of 2 Numberss

Ratio of similtude

– the ratio of the length of an image to the length of the preimage

Beam

– a unidimensional figure that consists of one end point A, one point B, all of the points on, and all points for which B is between them and A ; written

Rectangle

– a four-sided whose angles are all right angles

Rectangular solid

– the brotherhood of a box and its inside

Mention angle

– the angle of less than 360 grades that corresponds to an angle of over 360 grades ; In order to acquire the mention angle, you must deduct 360 grades from the given angle until there is less than 360 grades left.

Refine

– to alter a speculation somewhat so that it is true

Reflecting line

– see line of contemplation

Contemplation image

– For a point A non on the reflecting line, its contemplation image is the point B where the reflecting line is the perpendicular bisector of. For a point Angstrom on the reflecting line, its contemplation image is itself.

Reflection image of a figure

– the set of all of the contemplation images of points in the figure

Contemplation notation

– rm ( ABC ) , which stands for the contemplation over line m of figure ABC

Reflection-symmetric figure

– a figure that shows contemplation symmetricalness

Contemplation symmetricalness

– a feature of a figure in which there is a contemplation line where its contemplation is itself

Reflex polygon

– a polygon for which 2 or more of its sides intersect each other

Region

– the brotherhood of a figure and its inside

Regular polygon

– a convex polygon whose angles and sides are all congruent

Regular pyramid

– a pyramid whose base is a regular polygon and whose vertex forms a section with the centre of the polygon perpendicular to its plane

Resolution

– the denseness of pels in a image

Rhombus

– a parallelogram with four equilateral sides

Right angle

– an angle whose step is 90 grades

Right cone

– a cone whose axis is perpendicular to the plane incorporating its base

Right cylinder

– a cylinder whose way of sliding is perpendicular to the plane of the base

Right prism

– a prism whose way of sliding is perpendicular to the plane of the base

Right trigon

– a trigon that has a 90 grade angle

Rotation

– the complex of two contemplations over intersecting lines

S.A.

– surface country

Scale factor

– size alteration magnitude

Scalene trigon

– a trigon with no equilateral sides

Secant to a circle

– a line that intersects the circle in two points

Sector

– portion of a circle incorporating its centre and an discharge

Section

– aka line section ; the set of points dwelling of two distinguishable points and all inbetween them ; written

Semicircle

– an discharge whose cardinal angle is a right angle

Septagon

– a seven-sided polygon

Set

– a aggregation of objects called elements

Side of a polygon

– a individual section from the brotherhood that forms a polygon

Similar figures

– two figures that have a similarity transmutation mapping one onto the other ; written F G

Similarity transmutation

– a transmutation that is the complex of size alterations and/or contemplations

Size alteration

– Let A be a point and K be a positive existent figure. For any point B, allow T ( B ) = B & # 8217 ; be the point on with OP & # 8217 ; = K*OP. Then S is the size alteration with centre A and magnitude k. See transmutation.

Size alteration factor

– size alteration magnitude

Size transmutation

– see size alteration

Skew lines

– non-coplanar lines that don & # 8217 ; Ts intersect

Slant tallness

– the length of a sidelong border of a conelike solid

Slide

– see interlingual rendition

Slope

– the step of the joust of a line ; rise over tally ( i.e. , how much the line moves up for every motion to the right ) . The expression for incline is

y2-y1

x2-x1

Small circle

– the circle formed by the intersection of a sphere and a plane that doesn & # 8217 ; t incorporate the centre

Solid

– the brotherhood of the surface and the part of infinite enclosed by a 3-D figure ; illustrations: conic solid, cylindric solid, rectangular solid

Solid geometry

– the survey of figures in 3-dimensional infinite

Space

– the set of all possible points ; made up of infinite planes

Sphere

– the set of points in infinite equidistant from a certain point

Square

– an equilateral and equianglular quadrangle

Straight angle

– an angle whose step is 180 grades, organizing a line with its sides

Straightedge, unmarked

– merely how it sounds, an unmarked tool used to pull consecutive lines

Subroutine

– a antecedently known algorithm used in another algorithm

Subset

– a set that is portion of a larger set

Sufficient status

– a version of a conditional that tells you when you can utilize the term defined, where the term is in the consequent ; a status that implies a predetermined decision ; see significance

Auxiliary angles

– 2 angles whose steps, when added together, equal 180 grades

Surface

– the boundary of a 3-D figure

Surface country

– the entire country of the surface of a solid

Symmetry diagonal

– the diagonal that perpendicularly bisects the other and is a symmetricalness line for the kite

Symmetry line

– the line of contemplation in a reflection-symmetric figure

Terminal side

– the side that the measuring of an angle ends at

Tesselate

– the ability of a part to tessalate

Tesselation

– a covering of a plane with congruous transcripts of the same part with no holes or convergences

Quadrilateral

– a quadrilateral polygon ; see four-sided

Theorem

– of import mathematical statements which can be proven by posits, definitions, and/or antecedently proved theorems

Three-dimensional

– holding length, breadth, and thickness ( i.e. , infinite )

3-D figure

– a set of points in infinite ; illustrations: box, cone, cylinder, parallelpiped, prism, pyramid, regular pyramid, right cone, right cylinder, right prism, sphere,

Joust

– the step of an angle as compared to a horizontal line ; what happens when you kick the pinball machine excessively difficult ; see class

Torus

– a 3-D figure formed by turn overing a rectangle into a cylinder and flexing the cylinder until its bases meet ; a & # 8220 ; ring & # 8221 ; ; see net

Transformation

– a correspondence between two sets of points such that each point in the preimage has a alone image and that each point in the image has precisely one preimage ; see contemplation, size alteration, isometry, composite

Transformation notation

– Thymine ( P ) , which stands for the transmutation of P ; besides Sk where the transmutation S that maps ( ten, Y ) onto ( kx, Bluegrass State ) and K is the magnitude of that transmutation

Translation

– the complex of two contemplations over parallel lines ; aka slide

Transversal

– a line that intersects 2 others

Transversible

– a web in which all discharge can be traced without traveling over one more than one time

Trapezoid

– a four-sided that has at least one brace of parallel sides ; see isoscoles trapezoid

Triangle

– a polygon with three sides ; see equilateral trigon, isoscoles triangle, right trigon, scalene trigon

Triangulate

– to split a polygon into trigons

Tridecagon

– a 13-sided polygon

Triangle

– a trilateral polygon ; see trigon

Planar

– holding both width and length, but no thickness

Undecagon

– an eleven-sided polygon

Union of two sets A and B

– the set of elements in A, B, or both ; written AUB

Unit of measurement regular hexahedron

– unit of measurement volume

Universal statement

– a conditional that uses the words & # 8216 ; all & # 8217 ; or & # 8216 ; everything & # 8217 ;

Universe

– in a Venn diagram, everything that is outside the sets

Disappearing line

– the skyline ; in a pulling it is at the tallness of spectator & # 8217 ; s oculus

Disappearing point

– the point in infinite where two parallel lines seem to run into

Vertex

– see node

Vertex angle

– the angle formed by the equilateral sides of an isoscoles triangle

Vertex of an angle

– the common end point of the two beams

Vertex of a conelike solid

– the point that marks the thinnest portion of a conelike solid

Vertex of a polygon

– an end point of a section in a polygon

Vertical angles

– 2 angles that portion a common vertex and whose sides form 2 lines

Vertical line

– a line that goes straight up and down, and whose incline is defined as space or vague

Position

– a drawing of a side of an object

Volume

– the sum of infinite a 3-D object can keep

Wedge

– see sector

Zero angle

– an angle whose step is 0. In a nothing angle, both the initial and terminal sides are the same.

Zero-dimensional

– holding no dimension ; a point