Type
Crossword
Description

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 Vocabulary Crossword

Type
Crossword
Description

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

Points, Lines, Planes, and Angles Crossword

Type
Crossword
Description

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

Trigonometry Crossword

Type
Crossword
Description

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

Geometry Terminology Crossword

Type
Crossword
Description

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

Lines & Angles Vocabulary Crossword

Type
Crossword
Description

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

Geometry Crossword Puzzle

Type
Crossword
Description

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

Definitions- Chapter 1 & 2 Crossword

Type
Crossword
Description

An angle whose measure is less than 90 degrees. Acute
An angle whose measure is 90 degrees. Right
An angle whose measure is greater than 90 degrees but less than 180 degrees. Obtuse
An angle whose measure is 180 degrees. Straight
Coplanar angles that have a common side, common vertex, and no common interior points. Adjacent
A line, ray or segment that cuts an angle into two equal angles. Angle Bisector
Points that lie on the same line. Collinear
Points that lie in the same plane. Coplanar
Two angles whose sum is equal to 90 degrees. Complementary
Angles that have equal measure. Congruent Angles
Segments that have equal lengths. Congruent Segments
A drawing that shows a corner view of a 3-D figure that allows you to see the top, front and side of an object in the same drawing. Isometric
A pair of adjacent angles whose non-common sides form a line. Linear Pair
A point on a line segment that divides the segment in to equal lengths. Midpoint
A ________________ bisector is a line ray or segment that is perpendicular to the segment at its midpoint. Perpendicular
Lines that intersect and form right angles. Perpendicular Lines
A statement in geometry that is accepted as fact without proof. Postulate
Part of a line that consists of one endpoint and all points of the line on one side of the endpoint. Ray
Two rays that share the same endpoint and form a line. Opposite Rays
Part of a line that contains two endpoints and all points between them. Segment
A line, ray or segment that which cuts another line segment into equal parts. Segment Bisector
Two angles whose sum is equal to a straight angle or 180 degrees. Supplementary
A pair of angles whose sides form two pairs of opposite rays. Vertical Angles
A statement that is written in if-then form. Conditional
The part of a conditional statement that follows the if. Hypothesis
The part of a conditional statement that follows the then. Conclusion
A statement in geometry that is accepted as fact only after it has been proven. Theorem
____________ reasoning is a process of reasoning logically from given facts to reach a conclusion. Deductive
______________reasoning is a type of reasoning that reaches a conclusion based on a pattern of specific examples or past events to reach a conclusion. Inductive

Basic Geometric Terms Crossword

Type
Crossword
Description

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

Geometry Crossword Puzzle

Type
Crossword
Description

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 Definition Crossword 2

Type
Crossword
Description

Another word for a dot Point
A figure where two of the sides are the same length Rectangle
A three sided figure Triangle
When two planes make a cross they are called Intersecting planes
A line with a a begining and end Segment
An angle that measures 90 degrees Right angle
Two or more segments of equal length Congruent Segments
A triangle that has two equal sides. Isosceles Triangle
An angle that measures less than 90 degrees Acute Angle
An angle that measures more than 90 degrees Obtuse Angle
In Geometry, the term more used for a rule that is accepted without proof is called what? Theorem
A point at the end or beginging of a line Endpoint