# Geometry Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Point at which two line segments intersect (forming an angle) Vertex
A triangle with all three sides with different lengths Scalene
A triangle with two equal length sides (and two equal internal angles) Isosceles
A triangle with all three sides of equal length Equilateral
A straight line from the center to the circumference of a circle or sphere Radius
Part of the circumference of a circle or curve Arc
A line segment whose endpoints both lie on the circle Chord
Distance around a circle Circumference
An angle greater than 90 degrees but less than 180 degrees Obtuse
A 90 degree angle. (Just name the angle) Right
A quadrilateral having both pairs of opposite sides parallel to each other Parallelogram
A solid shape with a polygon as a base and triangular faces that come to a point Pyramid
A solid shape that is perfectly round like a ball. No faces, edges, or vertices. Sphere
Two angles whose measures add up to 180 degrees Supplementary
Two angles whose measures add up to 90 degrees Complementary
A transformation in which a figure grows larger Dilation
A transformation in which a figure is moved to another location without any change in size or orientation Translation
3.14 Pi

## Geometry Vocabulary Crossword Puzzle

Type
Crossword
Description

This crossword contains the following questions and answers:

Line segments that do not intersect. They are side by side and have the same distance continuously between them. Parallel
A straight line going through the center of a circle. It connects two points on the circle's circumference. Diameter
An angle that is equal to 90 degrees. It is usually represented by a small square on the vertex of the angle. right
A flat surface that extends forever and does not end. It contains an x and y axis, and infinite points and lines. plane
A transformation that moves an image a certain distance. It slides an image within a plane without rotating or flipping it. translation
A triangle that has two sides of equal length. The angles opposite the equal sides are also equal. isosceles
A pair of adjacent angles formed by intersecting lines. Another word for supplementary angles, meaning that they add up to equal 180 degrees. linear pair
Two lines that intersect. The relationship between the two lines meet at a right angle. perpendicular
A 2-dimensional shape that has three sides and three angles. There are three types of a ________; Equilateral, Isosceles, and Scalene. triangle
Two angles that add up to equal 90 degrees. Two angles that add up to 180 degrees are supplementary, while two angles that add up to 90 degrees are _________. complementary
The perimeter or distance around the edge of a circle. The equation to find the __________ is πd or 2πr. circumference
A straight path that extends in two opposite directions without end, and has no thickness. A _________ can contain infinite points. line
A part of a line that consists of two endpoints. This forms when two points are connected. segment
A part of a line that consists of one endpoint. When naming a _________, the endpoint MUST com first. ray
A 3-dimensional point, line, or shape. It is a region in which objects exist. space
The distance from the center to the circumference of a circle. It is half of the circle's diameter. radius
A transformation that turns an image around a given point. It can be transformed by turning it clockwise or counterclockwise. rotation
Unit to measure angles. One __________ is the angle measurement of 1/360th of a circle. degrees
The common endpoint of two or more rays or line segments. It is the corner or point where lines meet. vertex
A trigonometric function used in a right angled triangle. It is the length of the adjacent side divided by the length of the hypotenuse. cosine

## Geometry Terms Crossword

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

## Geometry Crossword Puzzle

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

## Geometry Vocabulary Crossword

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

## IED Unit 5 key terms Crossword

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 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

## MATH CROSSWORD PUZZLE - Answer Key

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

## A Crossword Puzzle of the Language of Geometry

Type
Crossword
Description

This crossword contains the following questions and answers:

part of a line that is bounded by two distinct end points segment
2 angles that add up to 180 degrees supplementary
exactly similar parts facing each other or around an axis. symmetry
a figure with four equal straight sides and four right angles square
A line with a start point but no end point ray
having a common vertex and a common side adjacent
a figure with three straight sides and three angles triangle
a nine-sided figure nonagon
a transformation in which the figure is reflected across a line, creating a mirror image reflection
a quadrilateral with only one pair of parallel sides trapezoid
at an angle of 90° to a given line perpendicular
each angular point of a polygon vertex
2 angles that add up to 90 degrees complementary
a transformation in which the figure is turned around a fixed center point rotation
a figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square rectangle
A long thin mark made by a pen line
the continuous line forming the boundary of a closed figure perimeter
a figure with at least three straight sides and angles polygon
a seven-sided figure heptagon
the longest side of a right triangle hypotenuse
a transformation in which every point of the figure is moved in the same direction and for the same distance translation
the space between two intersecting lines or surfaces at or close to the point where they meet angle
a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides rhombus
a triangle that has three unequal sides scalene
a transformation in which the figure is enlarged or decreased in size dilation

## geometry crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

identical in form congruent
corresponding sides proportional, angles congruent similar
a figure with at least three straight sides and angles polygon
to cut into two equal parts bisect
a point on the line that divides the line into two equal segments midpoint
an angle less than 90 degrees but more than 0 acute
an angle more than 90 degrees but less than 180 obtuse
a 90 degree angle right
a triangle where all sides and angles are equal equilateral
opposite side divided by hypotenuse sine
adjacent side divided by hypotenuse cosine
opposite side divided by adjacent side tangent
the distance around a circle circumference
a line with a single endpoint that extends infinitely in one direction ray
lines in a plane that never intersect or touch each other parallel
a line that meets another line at a right angle perpendicular
a transformation that turns a figure about a fixed point rotation
a transformation that produces an image the same shape as the original, but a different size dilation
angles that add up to equal 180 degrees supplementary
angles that add up to equal 90 degrees complementary

## Geometry Crossword!

Type
Crossword
Description

This crossword contains the following questions and answers:

A line,ray,segment or plane that intersects the segment at a midpoint. This divides the line, ray, segment or plane into two equal parts. Segment Bisector
A ray that divides an angle into 2 congruent adjacent angles. This consists of all points that are equidistant from the sides of the angle. Angle bisector
Two angles that add up to equal 180 are considered this. The measure of the first angle plus the measure of the second angle must equal 180 degrees total. supplementary angles
Two angles whose sum is 90 degrees are this. The measure of the first angle plus the measure of the second angle must equal 90 degrees. complementary angles
Coplanar lines that do not intersect. The two lines in the plane will never meet or touch each other. Parallel lines
A line that intersects two or more coplanar lines at distinct points. This can be used to determine whether or not two lines are parallel. transversal
The equation used in terms of slope that states "m"=the slope which is multiplied by x. "B" is the y-intercept. y=mx+b slope intercept form
Three sides of a triangle are congruent to 3 sides of a second triangle. What postulate will be used to prove the 2 triangles congruent? SSS
If two sides and the included angle of a triangle are congruent to 2 sides and the included angle of a second triangle Then the triangles are congruent according to what postulate? SAS
If two angles and the included side of one triangle are congruent to two angles and the included side of a second triangle then the triangles are congruent. According to what postulate? ASA
If two angles and the non-included side of one triangle are congruent to two angles and the non-included side of a second triangle then the triangles are congruent. According to what theorem? AAS
This term is used to prove corresponding segments or angles of congruent triangles congruent. What is the abbreviation? CPCTC
Two angles whose sides are formed by two pairs of opposite rays. The angles are congruent and placed "across" from each other. Vertical Angles
The point where sides meet. Often found on 3-dimensional figures including cones and pyramids. Vertex
The length of an arc of a circle is the product of the ratio and the circumference of the circle. Measure of arc AB= (measure of arc AB/360)(2πr). Arc Length
A comparison of two quantities by division. Such as, 5 to 7, 5:7, and 5/7. Ratio
A quadrilateral that has all the characteristics except for 2. The 2 characteristics this quadrilateral does not have is base angles congruent and has only one pair of opposite sides parallel. square
A line that is contained within two points called "endpoints." This line includes the two endpoints and several different points within the line. Segment
A perpendicular segment that joins the vertex of a triangle with the opposite side of the triangle.This is often substituted as "x" to find the geometric mean of the triangle. Altitude
Arcs that have the same measurement and are within the same circle or congruent circles. These arcs are the same in size and length. Congruent Arcs

## Geometry Chapter 1 Vocab Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

a set of many points that extend in opposite directions without ending line
a two-dimensional flat surface plane
points on the same line collinear
portion or part of a line with an endpoint at each end linesegment
has one endpoint and extends in the other direction with no end ray
a statement about geometric figures accepted as true without proof postulate
a figure made up of two sides, or rays, with a common endpoint angle
the point common to both sides of an angle vertex
a tool used to draw circles and arcs compass
part of a circle arc
to divide into two equal parts bisect
a unit of angle measure degree
a tool used to draw or measure angles protractor
an angle which measures less than 90* acuteangle
anangle which measures 90* rightangle
an angle which measures more than 90* obtuse angle
lines that meet to form right angles perpendicularlines
angles with a common vertex and one common side adjacentangles
two angles whose measure add up to 90* complementaryangles
to meet at a point or to cross or averlap each other intersect
angles that have a common vertex and whose sides are formed by the same lines verticalangles
two angles whose measures add up to 180* suppplementaryangles