- Type
- Crossword Puzzle

two figures or objects that have the same shape and size Congruent

Two figures that have the same shape. The ratios of the lengths of their corresponding sides are equal. Similarity

the movement of objects in the coordinate plane Transformation

Describe a function that moves an object a certain distance. The object is not altered in any other way. Translation

Preimage is flipped across a line of reflection to create the image. Each point of the image is the same distance from the line as the preimage is, just on the opposite side of the line. Reflection

a line midway between something, called a pre-image, and its mirror reflection. Line of reflection

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

a point about which a plane figure rotates. Center of Rotation

a transformation that produces an image that is the same shape as the original, but is a different size. It stretches or shrinks the figure. Dilation

The shape before any transformation Preimage

The shape after a transformation Image

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- Crossword Puzzle

Turns a figure around a point. rotation

Produces a mirror image of a figure by flipping it over a line. reflection

The multiple used to enlarge or reduce a dilation. scale factor

The original figure before a transformation is made. pre-image

A dilation that makes an image that is the same shape but larger than the pre-image. enlargement

FIgures with the exact same angle measures and side lengths. congruent figures

Figures with the same angle measures and corresponding sides are proportional. similar figures

A change in the position or size of a shape on the coordinate plane. transformation

Movements that do not change the size or shape of the object moved. Make congruent figures. rigid transformations

Changes the size of a figure, but not its shape. dilation

A dilation that makes an image that is the same shape but smaller than the pre-image. reduction

The figure created by making a transformation. image

Every point in a figure moves the same distance in 1 or 2 directions on the coordinate plane, also called a slide. translation

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- 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

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- Crossword Puzzle

a figure resulting from a transformation. image

a transformation in the plane that preserves distance and angle measure. rigid motion

the original image before transformation. pre-image

a symbol used to distinguish one quantity x' ("x prime") from another x. Prime marks are most commonly used to denote transformed coordinates. prime

the act of changing the position of a shape on a coordinate plane. transformations

a transformation that "slides" each point of a figure the same distance in the same direction. translation

a transformation that "flips" a figure over a mirror or reflection line. reflection

a transformation where you "turn" a figure about a given point. rotation

one shape becomes exactly like another when you move it in some way: turn, flip or slide. symmetry

having exactly the same size and shape. congruent

a line that a figure is flipped across to create a mirror image of the original figure. line of reflection

a fixed point around which shapes move in a circular motion to a new position. center of rotation

a point where two or more straight lines meet. vertex

lines in the same plane that do not intersect. parallel lines

two lines that intersect to form a right angle. perpendicular lines

plane figure having four sides and four angles. quadrilateral

a plane figure with at least three straight sides and angles, and typically five or more. polygon

when all angles are equal and all sides are equal (otherwise it is "irregular"). regular polygon

a transformation that stretches or shrinks a figure to create a similar figure. dialation

the way an object is 'pointing' or angled. orientation

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- 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

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- 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

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- Crossword Puzzle

A mirror image across a line Reflection

Same shape and size angle Congruent

Both sides are the same Symmetry

Outside angle Exterior angle

The part of a line that connects two points Line segment

An Brecht that has both magnitude and direction Vector

The final step Endpoint

An angle who sums to is 90 degrees Complementary angles

Either of two angles who sum to 180 degrees Supplementary angles

A flat shape with with four straight lines Quadrilateral

You understand Intuitively

An angle inside a shape Interior angles

A line that crosses at least two other lines Transversal

Moving them to another place Transformation

An exact location Point

A theory Phytagorean theorem

A circumference of a circle Arc

The action of rotating around an axis or center Rotation

2 geometry shapes having the same shape Similarity

The distance around two dimensional shapes shape Perimeter

They have a common side a common vertex and they don't intersect Adjacent angle

Made up of exactly similar parts facing each other Symmetry

An exact location it has no size only position ⏺ Point

A transformation which a figure is reflected Reflection

Is a distance around around a shape Perimeter

An object that has both magnitude and direction Vector

A term used in geometry to describe a function that moves an object Translation

A long narrow mark ➖➖ Line

A line with a start point but there is no end Ray

Having the same direction Parallel

- 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

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- 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

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- Crossword Puzzle

line that intersects 2 or more lines transversal

lie inside the lines interiorangles

lie outside the lines exteriorangles

a logical argument where a statement is justified proof

Once or conjecture has been proven theorum

formed by 3 line segments that intersect only at endpoints triangle

all sides are the same length equiangular

all angles have the same measure regularpolygon

the sides that form the right angle legs

the side opposite of the right angle hypotenuse

to find the distance between 2 points on the coordinate plane distanceformula

an operation that maps an original geometric figure transformation

slides a figure from one position to another without turning it translation

figures have the same shape and size congruent

a mirror image of the original figure reflextion

a transformation in which a figure is rotated rotation

fixed point centerofrotation

the point where the sides of an angle meet vertex

a quadrilateral with exactly one pair of parallel lines trapezoid

any set of ordered pairs relation

4 sections of a coordinate plane quadrants

amount of money invested or borrowed principal

a statement that is true for any numbers property

the point of intersection of the X axis and Y axis origin

the empty set nullset

- Type
- Word Search

TRANSFORMATIONS

origin

image

center

affect

polygon

graphing

pre-image

position

location

symmetry

dilations

represent

fixed point

rotations

clockwise

vertically

orientation

combination

reflections

translations

horizontally

coordinate plane

counter-clockwise