# Geometry Vocabulary Crossword

Created
May 14, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

The point at which the three medians intersect. The center of mass of a figure of uniform. Centroid
The study of geometric figures in two dimensions (plane geometry) and three dimensions (solid geometry). It includes the study of points, lines, triangles, quadrilaterals, other polygons, circles, spheres, prisms, pyramids, cones, cylinders, and polyhedra. Geometry
A solid with parallel congruent bases which are both polygons. The bases must be oriented identically. The lateral faces of a prism are all parallelograms or rectangles. Prism
A closed plane figure for which all sides are line segments. The name of a polygon describes the number of sides. A polygon which has all sides mutually congruent and all angles mutually congruent is called a regular polygon. Polygon
A quadrilateral which has a pair of opposite sides which are parallel. The parallel sides are called the bases, and the other two sides are called the legs. Trapeziod
The circumcenter of a triangle is the point where the three perpendicular bisectors meet. This point is the same distance from each of the three vertices of the triangles. Circumcenter
The concluding statement. Statement made using inductive reasoning. Conjecture
Opposite of the truth value. Shown by symbol ~, "not p". Negation
Written as p ^ q. Statements joined by "and". Conjunction
Statements joined by "or". Written as p v q. Disjunction
negating the hypothesis/ conclusion. Written as ~p->~p Inverse
Switching the hypothesis/ conclusion. Written as q->p. Converse
Negating and switching the hypothesis. Written as ~q->~p. Contraposotive
Created by three special points and lines. Named after Swiss mathematician Leonard Euler. Euler Line
A concave polygon is any polygon with an angle measuring more than 180°. Look like they are collapsed or have one or more angles dented in. Concave Polygon
A combination of two transformations. A reflection over a line followed by a translation in the same direction as the line. Glide Reflection
Has only one dimension. It continues forever in two directions. Line
The portion of a line lying strictly between two points. It has a finite length and no width. Line Segment
Everywhere equidistant. Two lines in the same plane that never intersect. Parallel Lines
A closed three-dimensional figure. All of the faces are made up of polygons. Polyhedron
If you have a right triangle, then the square built on the hypotenuse is equal to the sum of the squares built on the other two sides. a2 + b2 = c2. Pythagorean Theorem

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## Geometry Vocabulary Crossword

Created
Jun 29, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

A closed plane figure formed by three or more straight sides that are line segments. polygon
A polygon with three sides and three angles. triangle
A polygon with four sides and four angles. quadrilateral
A polygon with five sides and five angles. pentagon
A polygon with six sides and six angles. hexagon
A polygon with seven sides and seven angles. heptagon
A polygon with eight sides and eight angles. octagon
A polygon with nine sides and nine angles. nonagon
A polygon with ten sides and ten angles. decagon
An angle that measures greater than 0 degrees and less than 90 degrees. acute
An angle that forms a square corner and has a measure of 90 degrees. right
An angle whose measure is 180 degrees. straight
An angle that measures greater than 90 degrees and less than 180 degrees. obtuse
An exact location in space. point
A straight path of points in a plane that continues without end in both direcetions with NO endpoints. line
A part of a line that includes two points called endpoints and all the points between them. line segment
A part of a line; it has one endpoint and continues without end in one direction. ray
The point at either end of a line segment of the starting point of a ray. endpoint
Lines in the same plane that never intersect and are always the same distance apart. parallel
Two lines that intersect to form four right angles. perpendicular
Lines that cross each other at exactly one point. intersecting
The number of square units needed to cover a surface. area
The distance around a figure. perimeter
A parallelogram with four equal, or congruent, sides and four right angles. square
A parallelogram with opposite sidees that are equal, or congrudent, and with four right angles. rectangle
A parallelogram with four equal, or congruent, sides. rhombus
A quadrilateral with exactly one pair of parallel sides. trapezoid
A quadrilateral whose opposite sides are parallel and equal, or congruent. parallelogram
Having the EXACT same size and shape. congruent

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## Geometry Crossword Puzzle

Created
Apr 23, 2017
Type
Crossword
Description

This crossword contains the following questions and answers:

Polygons having the same shape. Two polygons whose corresponding angles are congruent and the lengths of the corresponding sides are proportional. SIMILAR POLYGONS
Space occupied by a solid; measured in cubic inches. VOLUME
3-D figure with faces(sides) that are polygons. A solid figure with many plane faces, typically more than six. POLYHEDRON
Parts of congruent figures that match or are in the same places as each other. The parts (angles or sides) are in the same relative position in each of the figures. CORRESPONDING PARTS
Using properties of similar polygons to find lengths that are difficult to measure directly. A method of using proportions to find an unknown length or distance in similar figure. INDIRECT MEASUREMENT
Applying more than one transformation to an image. A transformation is put on the previous image several times. COMPOSITION OF TRANSFORMATIONS
Shapes that have the same shape but different sizes,~. Having corresponding sides proportional and corresponding angles equal. SIMILAR
A 3-D figure with all points the same distance from the center. A round solid figure, or its surface, with every point on its surface equidistant from its center. SPHERE
3-D figure with two parallel congruent circles. Connected by a curved circle. A solid geometric figure with straight parallel sides and a circular or oval cross section. CYLINDER
3-D figure with one circle base connected by a curved surface to a single vertex. A solid or hollow object that tapers from a circular or roughly circular base to a point. CONE
Objects made up of more than one solid. A solid that is composed, or made up of, two or more solids. COMPOSITE SOLIDS
Longest side of a right triangle; always across or opposite from right angle. HYPOTENUSE
Reversing the Pathagorean Theorem; Switching the hypotenuse and conclusion of a conditional statement. CONVERSE
Has three angles and three sides; has a sum of 180 degrees. TRIANGLE
Simply closed figure with three or more sides. POLYGON
Angles of a triangle that are not adjacent to a given exterior angle. REMOTE INTERIOR ANGLES
Operation that maps an original geometric figure to a now figure. A general term for four specific ways to change the shape on a graph. TRANSFORMATION
Fixed point or point that doesn't change in a rotation. POINT OF ROTATION
Intersecting line making a right angle. Two lines that meet a pet a right angle. PERPENDICULAR LINES
Outside the parallel's but opposite of the transversal; congruent. ALTERNATE EXTERIOR ANGLES

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## MATH CROSSWORD PUZZLE - Answer Key

Created
Mar 29, 2017
Type
Crossword
Description

This crossword contains the following questions and answers:

The mathematical sentence that uses an equal sign to show that two expressions are equal. EQUATION
The line intersects 2 or more parallel line TRANSVERSAL
The side of the right triangle that is opposite to the right angle. HYPOTENUSE
The symbol that is used to represent a square root RADICAL SIGN
The numerical factor of the term that contains a variable COEFFICIENT
A function whose graph is non vertical line LINEAR FUNCTION
The ratio of change in y to the change in x (rise/run) SLOPE
A polygon with three sides TRIANGLE
Changes the figure into another shape TRANSFORMATION
Identical in form (angles) CONGRUENT
When two parallel lines are cut by a transversal, the angles formed on the outside of the parallel lines EXTERIOR ANGLES
In any right triangle, the sum of the squares of the lengths of legs is equal to the square of the length of the hypotenuse PYTHAGOREAN THEOREM
Lines in the same plane that do not intersect PARALLEL LINES
A transformation in which a figure slides but does not turn TRANSLATION
The set of all points in the space that are the same distance from the point called center SPHERE
A transformation in which a figure is made larger or smaller with respect to a fixed point DILATION
A measure of the amount of space a 3 dimensional figure occupies VOLUME
A number that, when multiplied by itself, equals a given number SQUARE ROOT
Two numbers whose product is 1 RECIPROCALS
A polyhedron that has 2 parallel, congruent bases; the lateral faces are parallelogram PRISM

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## IED Unit 5 key terms Crossword

Created
Feb 3, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

A triangle that contains only angles that are less than 90 degrees. Acute Triangle
The amount of rotation needed to bring one line or plane into coincidence with another, generally measured in radians or degrees. Angle
The number of square units required to cover a surface. Area
1. An imaginary line through a body, about which it rotates. Axis
A 3D point defining the geometric center of a solid. Centroid
A round plane figure whose boundary consists of points equidistant from the center Circle
1. A triangle located round a polygon such as a circle. Circumscribe
A solid composed of two congruent circles in parallel planes, their interiors, and all the line segments parallel to the axis with endpoints on the two circles. Cylinder
The measure of mass density is a measure of mass per volume. Density
A straight line passing from side to side through the center of a circle or sphere. Diameter
A shape generated by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant and equal to the major axis Ellipse
A curve formed at the interior intersection between two or more surfaces. Fillet
To draw a figure within another so that their boundaries touch but do not intersect. Inscribe
The amount of matter in an object or the quantity of the inertia of the object. Mass
A triangle with one angle that is greater than 90 degrees. Obtuse Triangle
A four-sided polygon with both pairs of opposite sides parallel. Parallelogram
The numerical value of the ratio of the circumference of a circle to its diameter Pi
Any plane figure bounded by straight lines. Polygon
A solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms. Prism
A four-sided polygon. Quadrilateral
A straight line from the center to the circumference of a circle or sphere. Radius
A parallelogram with 90 degree angles. A square is also a rectangle. Rectangle
A triangle that has a 90 degree angle. Right Triangle
A regular polygon with four equal sides and four 90 degree angles. Square
The squared dimensions of the exterior surface Surface Area
A straight or curved line that intersects a circle or arc at one point only. Tangent
A polygon with three sides. Triangle
The amount of three-dimensional space occupied by an object or enclosed within a container. Volume
A four-sided polygon. Quadrilateral

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## geometry Crossword

Created
Feb 5, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

a plane figure with ten straight sides and angles. decagon
a part of a figure cut off by a line or plane intersecting it, in particular. segment
both parts have the same truth value biconditional
statements that are assumed to be true without proof proof
line that cuts across two or more (usually parallel) lines. ... It cuts across the parallel lines PQ and RS. If it crosses the parallel lines at right angles transversal
add up to 180 supplementary
When three or more points lie on a straight line. collinear
one shape becomes exactly like another if you flip, slide or turn it. symmetry
A 4-sided flat shape with straight sides where: • all sides have equal length, and • every interior angle is a right angle (90°) square
A ray is part of a line, has one fixed endpoint, and extends infinitely along the line from the endpoint. ray
an if-then statement in which p is a hypothesis and q is a conclusion. conditional
t angles are two angles that have a common vertex and a common side adjacent
A 3-sided polygon triangle
line that extends from one vertex of a triangle perpendicular to the opposite side. altitude
A 9-sided polygon nonagon
Switching the hypothesis and conclusion of a conditional statement. converse
A point where two or more straight lines meet vertex
add up to 90 complementary
A set of points, lines, line segments, rays or any other geometrical shapes that lie on the same plane coplanar
A circular movement rotation
A 4-sided flat shape with straight sides where all interior angles are right angles (90°). rectangle
s straight (no curves), • has no thickness, and • extends in both directions without end infinitely line
circumference. perimeter
"then" part of a conditional statement. conclusion
any 2-dimensional shape formed with straight lines. polygon
7-sided polygon or 7-gon. heptagon
longest side hypotenuse
prove the boundaries of possible theorems. counterexample
Sliding translation
The length of the opposite side divided by the length of the adjacent side. tangent
A shape, formed by two lines or rays diverging from a common point angle
four sides all have the same length. rhombus
statement formed by interchanging theorem
A triangle with all sides of different lengths. scalene

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## Geometry Crossword Puzzle

Created
Feb 11, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

a triangle that has all equal sides and anles is considered an __________ triangle. Name starts with an "e" equilateral
a triangle with no congruent sides. Name starts with an "s". scalene
In this triangle, it has 2 congruent sides. Name starts with an "i". isosceles
coplainar lines that do not intersect. Lines never end. parallel
when the y-axis and x-axis change by a ratio. Many graphs have this type of diagonal. slope
transformation that turns every point. makes a figure move 360 degrees among a point is called _________. Name starts with an "r". rotation
a transformation representing a flip.When a figure flips over the or x-axis it is called a _________. reflection
a transformation that slides a figure. This word starts with a "t" translation
this angle is more than 90 degrees. This angle starts with an "o". obtuse
in a polygon, a segment that connects nonconsecutive vertices of the polygon. Line is neither horizontal nor vertical. diagonal
a quadrilateral with parallel opposite sides. Any sides can be called a base. (square,rhombus,rectangle) parallelogram
a quadrilateral with 4 right angles. Considered a parallelogram. rectangle
a quadrilateral with 4 congruent sides. considered a parallelogram. rhombus
a quadrilateral with 4 right angles and 4 congruent sides, Considered a parallelogram. square
a quadrilateral with one pair of parallel sides. Two base angles. trapezoid
this angle is less than 90 degrees. Angle starts with an "a" acute
a transformation that enlarges or reduces the original figure. Gets smaller or bigger. dilation
a __________ angle forms a perfect 90 degrees. Angle name starts with a "r" right
common endpoints of a figure. The "points" vertex
all figures have one of theses. The ________ encloses a figure. Word starts with a "s" side

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## Perimeter and Area Crossword

Created
Mar 17, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

Ice cream Cone
The sum of the areas of the faces Surface Area
A three-dimensional figure with all point the same Sphere
A polydendron with polygon base and triangular sides Pyramid
The set of all point in a plane that are the smae distance from a given point Circle
The distance around a circle Circumference
A three-dimensional figure with two parallel, congruent circular bases connected by a curved lateral surface Cylinder
A line segment that passes throgh the center of a circle Diameter
A polyhedrom that has two congruent, polygon-shaped bases and other faces that are all parallelograms Prism
The distance around a polygon Perimeter

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## Geometry Terms Crossword

Created
Feb 19, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

branch of mathematics that deals with points, lines, planes, and solids and examines their properties geometry
has no size, length, width, or height. represented by a dot and named by a capital letter point
set of all points space
points that lie on the same line collinear points
points that lie on the same plane coplaner points
line that consists of two points and all points between them segment
the part of a line that contains an endpoint and all other points extending in the other direction ray
things measuring to the same size or length congruent
a point that divides a segment into two congruent parts midpoint
angle whose measure is between 0 and 90 degrees acute angle
an angle that measures 90 degrees right angle
an angle whose measure is greater than 90 but less than 180 degrees obtuse angle
an angle whose measure is 180 degrees straight angle
triangle with no sides congruent scalene
triangle that has a right angle included right triangle
two angles whose sum is 90 degrees complementary
two angles whose measures sum up to 180 degrees supplementary
line that intersects a circle in two points secant
segment that connects two ponts on a circle chord
comparison of two numbers by divison ratio
congruent polygons lying in parallel planes bases
equation that sates two ratios are equal proportion
parellelogram with consecutive sides congruent rhombus
four sided figure with all sides congruent square
a line segment with two points on a cirlce that passes through the center diameter

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## math vocabulary Crossword

Created
May 11, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

A polygon with 4 sides quadrilateral
The number of times a particular item appears in a data set. frequency
A number that indicates the operation of repeated multiplication. exponent
The value of y at the point where a curve crosses the y-axis. y-intercept
A line segment that connects two points on a curve. chord
A portion of the circumference of a circle. arc
The answer to a division problem. quotient
Lines that have one and only one point in common. intersecting lines
Two angles that share both a side and a vertex. adjacent angles
The number of square units that covers a shape or figure. area
The bottom of a plane figure or three-dimensional figure. base
The set of points in a plane that are a fixed distance from a given point, called the center. circle
To divide into two congruent parts. Bisect
The distance around a circle. circumference
Figures or angles that have the same size and shape. congruent
A number that represents the characteristics of a data set. average
A unit of measure of an angle. degree
The result of subtracting two numbers. difference
A mathematical statement that says that two expressions have the same value; any number sentence with an =. equation
A number that indicates the operation of repeated multiplication. exponent
In probability, a set of outcomes. event
A triangle that has three equal sides. equilateral triangle
Two equations whose solutions are the same. equivalent equations
To substitute number values into an expression. evaluate
A real number that is less than zero. negative number
A point on a line segment that divides the segment into two congruent segments. midpoint
A polynomial with three terms. Trinomial
A statement that might be true, which can then be tested. Hypothesis
The line that divides something into two equal parts. Bisector
A polynomial with two terms. Binomial
Without an end. Not finite. Infinite
consisting of three terms. Trinomial
A value that does not change. constant

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## Math Vocabulary Crossword

Created
Mar 23, 2016
Type
Crossword
Description

This crossword contains the following questions and answers:

The flip of a shape over a line. Reflection
A function that moves an object a certain distance. translation
Transformation that produces an image that is the same shape as the original, but is a different size. Dilation
A transformation in which a plane figure turns around a fixed center point. Roation
four specific ways to manipulate the shape of a point, a line, or shape. Transformation
Pair of adjacent, supplementary angles. Linear Pair
Two angles that share a common side and a common vertex, but do not overlap. Adjacent
The angles opposite each other when two lines cross. Verticle
an element of some set called a space (a dot). Point
part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints. Segment
Exactly equal in size and shape. Congruent
Any 2-dimensional shape formed with straight lines. Polygon
A three dimensional (3D) object. Solid
Set of equations without a common solution. System of Equations
(of a triangle) Is the segment joining the midpoints of two sides of the triangle Mid Segment
The common endpoint of two or more rays or line segments. Vertex
Where the line crosses the y-axis. Y intercept
A line through a shape so that each side is a mirror image. Axis of Symmetry
Any number that can be expressed as the quotient or fraction p/q of two integers. Rational
A parameter of an object or system calculated as an aid to its classification or solution. Discriminant
A value that, when multiplied by itself, gives the number. Square Root
Simply the opposite of a rational number. Irrational
An algebraic equation, such as y = 4x + 3, in which the variables are of the first degree. Linear Equation
Angles that add up to 90 degrees or less. Comp. Angle
A polygon that is both equillateral and eqilamgular Regular Polygon
the point at which the line crosses the x axis. X intercept
an expression consisting of variables and coefficients which only employs the operations of addition, subtraction, multiplication, and non-negative integer exponents. Polynomial
A special ratio in which the two terms are in different units. Rate
vertical lines (perpendicular to the x-axis) near which the function grows without bound. Hori. Asymptote
Starts at a given point and goes off in a certain direction forever. Ray

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