- Type
- Crossword Puzzle

B is the midpoint of AC midpoint

(segment) TO = (segment) AN congruent segments

A bisects BD angle bisector

Drawing instrument used for constructing circles and arcs compass

Straight edge used to measure angles protractor

m<PRT = m<LMN congruent angles

m<FED + m<DEG = m<LMN angle addition postulate

EF + FG = EG segment addition postulate

Two points on a line and the distance between them line segment

The space, measured in degrees, between two close points on opposing rays angle

An angle that measures more than 90 degrees obtuse angle

An angle that measures 90 degrees right angle

An angle that measures less than 90 degrees acute angle

An angle that measures 180 degrees straight angle

- 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

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

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

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

The point in the middle of a line segment. midpoint

A line segment that bisects one of the vertex angles of a triangle. angle bisector

An instrument for drawing circles, arcs, and measuring distance between points compass

An instrument for measuring angles, marked with degrees along the edge. protractor

Two angles that have the same degree of angle. congruent angles

Line segments that are equal in length. congruent segments

The sum of two smaller angles will always equal the measure of the larger angle. angle addition postulate

If 3 points A, B, and C are collinear and B is between A and C, then AB+BC=AC. segment addition postulate

A line with two end points and contains every point on the line between its endpoints. line segment

Two intersecting lines that close to the point where they meet (measured in degrees) angle

An angle at 90 degrees. right angle

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

An angle less than 90 degrees. acute angle

An angle at 180 degrees. straight angle

- 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

a point on a line segment that divides it into two equal parts midpoint

a line or ray that divides an angle into two congruent angles angle bisector

a drawing instrument used for drawing circles and arcs compass

a tool used to measure angles protractor

angles that have the same measure in degrees congruent angles

line segments that are equal in length congruent segments

states that if T is the interior point of <ABC then m<ABT + m<TBC= m<ABC angle addition postulate

states that if point B is between point A and C then AB + BC = AC segment addition postulate

a part of a line that connects two points line segment

the amount of turn between two lines around their common point (vertex) angle

an angle which is equal to 90 degrees right angle

an angle that is greater than 90 degrees and less than 180 degrees obtuse angle

an angle less than 90 degrees (smaller than a right angle) acute angle

an angle of 180 degrees straight angle

- Type
- Crossword Puzzle

A line that intersects 2 or more coplanar lines. Transversal

Angles on the same side of the transversal that lie in the same exact spot. Corresponding Angles

The starting and stopping points of a line segment. Endpoints

Two angles that form a line. Linear Pair

Two angles that add up to 180 degrees. Supplementary

Two angles that add up to 90 degrees. Complementary

An angle that measures exactly 90 degrees. Right Angle

An angle that measures greater than 90 degrees and less than 180 degrees. Obtuse Angle

An angle that measures less than 90 degrees. Acute Angle

The point 2 or more figures have in common. Intersection

The point in the exact middle of a line segment. Midpoint

Angles with the same measure. Congruent Angles

Divide into 2 equal pieces. Bisect

On the same line. Collinear

On the same plane. Coplanar

Non-coplanar lines that do not intersect. Skew

Lines that intersect to make a 90 degree angle. Perpendicular Lines

Coplanar lines that never intersect. Parallel Lines

Angles on the same side of the transversal and on the interior of the lines. Consecutive Interior

Angles on opposite sides of the transversal and on the outside of the lines. Alternate Exterior

Angles on opposite sides of the transversal and on the inside of the lines. Alternate Interior

Angles on the same side of the transversal that lie in the same exact spot. Corresponding

A line that intersects 2 or more coplanar lines. Transversal

- Type
- Crossword Puzzle

A location Point

Collection of points that extend in one dimension forever Line

An infinite flat surface Plane

Two endpoints and all collinear points between them Segment

Collinear points that extend in one direction forever with an endpoint on one side Ray

Two rays that are collinear and have a common endpoint and no other common points. Opposite Rays

Where two figures meet or have points in common Intersection

Points on the same line Collinear

Points on the same plane Coplanar

A statement accepted without proof Postulate

A number associated with a point Coordinate

Segments that have the same measure Congruent

A point that divides a segment into two congruent parts Midpoint

The positive difference of the coordinates of two points Distance

Two different rays with the same endpoint Angle

Common endpoint of an angle Vertex

Angle less than 90 degrees Acute

Angle whose measure is 90 degrees Right

Angle with measure greater than 90 degrees Obtuse

Angle with a measure of 180 degrees Straight

Ray that divides an angle into two congruent angles Angle Bisector

A postulate that says AB + BC = AC Segment Addition

Postulate that says m<RSP + m<PST = m<RST Angle Addition

Something you should not have out in class Cell phone

- Type
- Crossword Puzzle

Always opposite of the right angle of the right triangle Hypotenuse

Will always makeup part of the angle that is being discussed and not be the hypotenuse Adjacent Side

Will never form part of the angle being discussed Opposite side

Opposite/Hypotenuse Sine

Adjacent/Hypotenuse Cosine

Opposite/Adjacent Tangent

A triangle with a right angle Right triangle

A special right triangle with two congruent angle 45-45-90 Triangle

Two sides with with equal lengths Isosceles Triangle

Special right triangle that uses the ratio 1:Radical of 3:2 30-60-90 Triangle

a^2+b^2=c^2 Pythagorean Therom

Angle that is always 90 degrees Right Angle

A plane figure with three straight sides and three angles Triangle

Branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant function of any angles Trigonometry

Identical in form, size and angles Congruent

Inverse of sin Sin^-1

Inverse of Cosine Cos^-1

Inverse of Tangent Tan^-1

The angle sum of a triangle 180 Degrees

Is used to show which lines are parallel \

If all sides are the same on both of the triangle then they are congruent SSS Postulate

If two sides and the angle between them are the same then they are congruent SAS Postulate

Another word for height Altitude

In a triangle it is the line segment drawn from a vertex to the midpoint Median

If two angles are the same for two triangle then they are the same AA Postulate