- Type
- Crossword Puzzle

A dot Point

Two dimensional shape that extends forever Plane

Points or lines on the same plane Coplanar

Half of a line Ray

Given fact (true) Postulate

How far something is Distance

Equal segments Congruent

A line that cuts a segment into two equal parts Segment Bisector

A point in the middle Midpoint

Made up of two rays sharing a common endpoint Angle

Common endpoint Vertex

Angles with the same measure Congruent Angles

Two angles formed by an intersecting line Vertical Angles

Two angles that add up to 180 degrees Supplementary Angles

A ray cutting an angle in half Angle Bisector

Amount of space inside a shape Area

Figure with four straight sides and four right angles Rectangle

Figure whose boundary consists of points equidistant from a fixed point Circle

All items in sample space that are NOT chosen Complement

How to find the distance between two points Distance Formula

Extends in two directions forever through two points Line

Points on the same plane Collinear Points

A line that stops at two points Segment

Two rays in opposite directions (makes a line) Opposite Rays

Two things that cross Intersection

The two rays Sides

The degree value of an angle (#) Measure

Angles side by side (sharing a common side) Adjacent Angles

Two angles that add up to 90 degrees Complementary Angles

Adjacent supplementary angles (2 angles that are side by side and add up to 180 degrees) Linear Pair

Distance around a shape Perimeter

Figure with four equal straight sides and four right angles Square

Figure with three straight sides and three angles Triangle

Boundary of a curved geometric figure, especially a circle Circumference

How likely something is to occur (event over total) Probability

- Type
- Crossword Puzzle

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

- Type
- Crossword Puzzle

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

- Type
- Crossword Puzzle

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

- Type
- Crossword Puzzle

Indicates a location represented by a dot Point

Represented by a stright line Line

Flat surface that extends withoout end plane

Points on the same line Co-linear points

Points not on the sme line Non Co-linear points

The set of points that two geometric figures have in common Intersection

Part of a line with two endpoints and all points inbetween them Segment

Two segemets with the same length Congruent

A point that divides a segment in half Midpoint

A point,line,ray, or othther segment that intersects a segment at its mid point Segemnt bisector

Part of a line with one end point and all points of the line on one side of the endpoin t Ray

Coplanar lines that never intersect Paralell

lines that meet to form right angles Perpendicular

noncoplanar lines that never intersect skew

Endpoint of the rays that form an angle Vertex

Angles that have the same measure congruent

Angles that share a common side,common vertex,and no common interior point Adjacent

Two angles with the same vertex whose sides are oppisite rays vertical

An angle less then 90 Acute

An angle more than 90 and less then 180 Obtuse

A 90 degree angle Right

A 180 dgree angle Straight

two angles that add up to 90 degrees Complementary

A pair of angles that add up to 180 supplementary

A Pair of adjacent ANGLES THAT ADD UP TO 180 Linear Pair

- Type
- Crossword Puzzle

A precise location or place on a line or plane Point

An object that is straight, infinitely long and infinitely thin. Line

A flat surface that is infinitely large Plane

A portion of a line which starts at a point and goes off in a particular direction to infinity Ray

A portion of a line Line Segment

Never touching Parallel

Lines that are not coplanar Skew

Two angles in corresponding positions relative to two lines Corresponding

Lines that cross Interesting

Points all in one plane Coplanar

Points all on one line Collinear

Not all on the same line Non- Collinear

Not all on the same plane non-coplanar

A line meeting at a right angle Perpendicular

A figure formed by two rays that have the same endpoint angle

Equal measures Congruent

Divides the angle into two congruent angles Bisector

Less than 90 degrees Acute

Larger than 90 degrees, less than 180 Obtuse

90 degrees Right

Two angles whose sides form two pairs of opposite rays Vertical

Two angles in a plane that have a common vertex and side, but no common interior points Adjacent

Two angles whose measures have the sum of 90 Complementary

Two angles whose measures have the sum of 180 Supplementary

- Type
- Crossword Puzzle

a _____ is simply a location point

a ______ is a flat surface made up of points plane

points on the same line are _____ collinear

points on the same plane are ______ coplanar

a _____ has two end points line segment

when segmants have the same measure they are ______ congruent

Point M is ______ points P and Q if and only if P, Q, and M are collinear and PM + MQ = PQ between

the _____ of a segment is the point halfway beween the endpoints of a segment midpoint

any segment, line, or plane that intersects at its midpoint is called a ________ segment bisector

distance around a circle into 360 parts is a ______ degree

a _____ is part of a line ray

a ray that divides an angle into two congruent angles is an ______ angle bisector

an angle with less than a 90 degree angle acute

an angle with a 90 degree angle right

an angle with more than a 90 degree angle obtuse

two angles that lie in the same plane, have a common vertex & side, but no common interior points adjacent angles

two nonadjacent angles formed by two intersecting lines vertical angles

pair of adjacent angles whose noncommon sides are opposite rays linear pair

two angles whose measures have a sum of 90 complementary angles

two angles whose measurements have a sum of 180 supplementary angles

- Type
- Crossword Puzzle

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

- Type
- Crossword Puzzle

Part of a line that has one end point and extends indefinitely in one direction. Ray

A pair of non-adjacent angles formed when two lines intersect. Vertical

Two angles which share a common side and vertex but have no common interior points (they do not overlap). Adjacent

A point that divides a segment into two congruent segments. Midpoint

An angle whose measure is 90 degrees. Right

Part of a line with two endpoints. Line Segment

Two angles with measures that have a sum of 180 degrees. Supplementary

An angle whose measure is 180 degrees. Straight

A pair of adjacent angles with non-common sides that are opposite rays. Linear Pair

A point, line, ray, or segment that divides a segment or angle into two congruent pieces. Bisector

Two angles with measures that have a sum of 90 degrees. Complementary

An angle whose measure is less than 90 degrees Acute

An angle whose measure is greater than 90. Obtuse

- Type
- Crossword Puzzle

An angle that measrues 180 degrees. straight

A line that goes up and down vertical

A straight path that has a beginning but not ending. ray

A math tool used for measuring or drawing angles. protractor

The middle point. midpoint

Two rays that have a common end point angle

An angle that measures more than 180 degrees but less than 360. reflex

Two lines that form right angles where they intersect. perpendicular

A straigh path that has a beginning and an ending. segment

An angle that measures more than zero degrees but less than 90. acute

where lines cross over a common point. intersection

Two angles that are next to each other. adjacent

A line that goes from side-to-side. horizontal

Something that has an end. finite

Angles that are opposite each other when two lines intersect. vertical

Two angles whose sum is 180 degrees. supplementary

Two angles whose sum is 90 degrees. complementary

Two lines that never cross or touch. parallel

Never ending. infinite

An angle that measures more than 90 degrees but less than 180. obtuse

As traigh path that goes on infinitely in either direction. line

A point where two angles begin or meet. vertex

When a figure is folded in half and the two halves match perfectly. symmetry

An angle that is 1/4 of a circle. right

A unit used to measure an angle. degree

- Type
- Crossword Puzzle

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