- 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

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

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

- 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

- Type
- Crossword Puzzle

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

- 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

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

- 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 triangle that has all equal sides and anles is considered an __________ triangle. Name starts with an "e" equilateral

a triangle with no congruent sides. Name starts with an "s". scalene

In this triangle, it has 2 congruent sides. Name starts with an "i". isosceles

coplainar lines that do not intersect. Lines never end. parallel

when the y-axis and x-axis change by a ratio. Many graphs have this type of diagonal. slope

transformation that turns every point. makes a figure move 360 degrees among a point is called _________. Name starts with an "r". rotation

a transformation representing a flip.When a figure flips over the or x-axis it is called a _________. reflection

a transformation that slides a figure. This word starts with a "t" translation

this angle is more than 90 degrees. This angle starts with an "o". obtuse

in a polygon, a segment that connects nonconsecutive vertices of the polygon. Line is neither horizontal nor vertical. diagonal

a quadrilateral with parallel opposite sides. Any sides can be called a base. (square,rhombus,rectangle) parallelogram

a quadrilateral with 4 right angles. Considered a parallelogram. rectangle

a quadrilateral with 4 congruent sides. considered a parallelogram. rhombus

a quadrilateral with 4 right angles and 4 congruent sides, Considered a parallelogram. square

a quadrilateral with one pair of parallel sides. Two base angles. trapezoid

this angle is less than 90 degrees. Angle starts with an "a" acute

a transformation that enlarges or reduces the original figure. Gets smaller or bigger. dilation

a __________ angle forms a perfect 90 degrees. Angle name starts with a "r" right

common endpoints of a figure. The "points" vertex

all figures have one of theses. The ________ encloses a figure. Word starts with a "s" side

- Type
- Crossword Puzzle

The flip of a shape over a line. Reflection

A function that moves an object a certain distance. translation

Transformation that produces an image that is the same shape as the original, but is a different size. Dilation

A transformation in which a plane figure turns around a fixed center point. Roation

four specific ways to manipulate the shape of a point, a line, or shape. Transformation

Pair of adjacent, supplementary angles. Linear Pair

Two angles that share a common side and a common vertex, but do not overlap. Adjacent

The angles opposite each other when two lines cross. Verticle

an element of some set called a space (a dot). Point

part of a line that is bounded by two distinct end points, and contains every point on the line between its endpoints. Segment

Exactly equal in size and shape. Congruent

Any 2-dimensional shape formed with straight lines. Polygon

A three dimensional (3D) object. Solid

Set of equations without a common solution. System of Equations

(of a triangle) Is the segment joining the midpoints of two sides of the triangle Mid Segment

The common endpoint of two or more rays or line segments. Vertex

Where the line crosses the y-axis. Y intercept

A line through a shape so that each side is a mirror image. Axis of Symmetry

Any number that can be expressed as the quotient or fraction p/q of two integers. Rational

A parameter of an object or system calculated as an aid to its classification or solution. Discriminant

A value that, when multiplied by itself, gives the number. Square Root

Simply the opposite of a rational number. Irrational

An algebraic equation, such as y = 4x + 3, in which the variables are of the first degree. Linear Equation

Angles that add up to 90 degrees or less. Comp. Angle

A polygon that is both equillateral and eqilamgular Regular Polygon

the point at which the line crosses the x axis. X intercept

an expression consisting of variables and coefficients which only employs the operations of addition, subtraction, multiplication, and non-negative integer exponents. Polynomial

A special ratio in which the two terms are in different units. Rate

vertical lines (perpendicular to the x-axis) near which the function grows without bound. Hori. Asymptote

Starts at a given point and goes off in a certain direction forever. Ray

- Type
- Crossword Puzzle

a straight line from the center to the circumference of a circle radius

a unit of measurement of angles degree

the longest side of a right triangle, opposite the right angle hypotenuse

statement believed to be true based on observations conjecture

all three sides are equal in a triangle equilateral

triangle that has two sides of equal length isosceles

square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. Pythagorean theorem

relative sizes of two or more values ratio

figure with three straight sides and three angles triangle

the trigonometric function that is equal to the ratio of the side opposite a given angle (in a right triangle) to the hypotenuse. sine

equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse. cosine

an angle is the length of the opposite side divided by the length of the adjacent side. tangent

line forming the boundary of a closed geometric shape perimeter

when two anles have a common side and a common vertex (corner point) and don't overlap. adjacent