Type
Crossword
Description

LxWxH volume
what is the bottom of a fraction called ? Denominator
lines that never meet parallel
another word for addition sum
an angle that measures between a 90° and 0° degree acute angle
another word for multiplication quotient
a straight line at an angle of 90° perpendicular
a four sided figure quadrilateral
circumference perimeter
the point where something begins origin
number digit
keeping it's value close to what it is round
units used to measure volume cubic unit
a straight line joining two opposite corners of a square, rectangle, or other straight-sided shape. diagonal
an angle greater than 90° but less than 180°. obtuse angle

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

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

Lines & Angles Crossword

Type
Crossword
Description

A 90 degree Angle Right Angle
An Angle less than 90 degrees Acute Angle
An angle greater than 90 degrees Obtuse Angle
A straight line measuring 180 degrees Straight Angle
Two angles whose sum is 90 degrees Complementary Angles
Two angles that have the same vertex and a common side Adjacent Angles
Two angles who sum is 180 degrees Supplementary Angles
Congruent angles formed by intersecting lines Vertical Angles
A ray that divides an angle into two equal parts Angle Bisector
Lines that form straight angles Perpendicular Lines
Lines in the same plane that do not intersect Parallel Lines

IED Unit 5 key terms Crossword

Type
Crossword
Description

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

Geometry Vocabulary Crossword Puzzle

Type
Crossword
Description

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

Quadrilaterals Crossword

Type
Crossword
Description

what is a Quadrilateral? four-sided-figure
what has no parallel sides? kite
what parallel sides have one pair,it can't be a what? rectangle
what has opposite sides where AB is equal to DC? parallelogram
the interior angles measure to 90 degrees? square
what has all the same sides? rhombus
two angles that share a leg are? supplementary
one pair of parallel sides can also be a what? trapezoid
nonparallel opposite sides are congruent? isosceles trapezoid
diagonals bisect each other? parallelogram
opposite angles are what? congruent
diagonal of a rhombus bisects two angles,what is it? rhombus
diagonals of a rhombus are what? perpendicular
the diagonals of a rectangle are? congruent
the base angles of an isosceles trapezoid are what? congruent
what is a rectangle? four-right-angles

Lines and Angles Crossword

Type
Crossword
Description

Two angles that are next to each other ADJACENT ANGLES
An angle that measures more than 90 degrees but less than 180 Obtuse Angles
Two rays that have a common end point Angle
Where lines cross over at a common point. Intersection
3 or more points lying on the same line Co linear
An angle that is 1/4 of a circle. Right Angle
Never Ending Infinite
A point where two angles begin or meet. Vertex
A straight path that has a beginning but not ending Ray
Two angles whose sum is 90 degrees Complementary

A Crossword Puzzle of the Language of Geometry

Type
Crossword
Description

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 Terms Crossword

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

Quadrilaterals Crossword

Type
Crossword
Description

An angle formed by the extending of a side, adding these together will always equal 360 degrees Exterior angle
All of this quadrilaterals sides, <'s, and diagonals are congruent, all of its angles are right angles Square
A quadrilateral not a parallelogram, has only one pair of parallel sides. Trapezoid
2 lines that come together to form a right angle Perpendicular
Angles that add up to 180 degrees Supplementary angles
The angle on the inside of a figure Interior angle
When 2 things measures are the same Congruent
When 2 lines never meet they are...... Parallel
The lines connecting two opposite angles together is a.... Diagonal
A figure where both pairs of opposite sides are parallel Parallelogram
A figure with two pairs of congruent opposite sides, its diagonals are congruent, all of its angles are right angles. Rectangle
A line which cuts another line segment into two equal parts Bisector
A quadrilateral with 2 pairs of consecutive congruent sides and no opposite congruent sides, no parallel sides Kite
A trapezoid with legs that are congruent Isosceles trapezoid
A parallelogram with 4 congruent sides, 2 pairs of congruent opposite angles, its diagonals ore perpendicular to each other, each diagonal bisects a pair of opposite angles. Rhombus