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3 Sided Geometric Figure Triangle

a position to the left or right of an object, place, or central point Side

the space between two intersecting lines or surfaces at or close to the point where they meet. Angle

Same shape and size Congruence

A triangle that has one side that measures 90 degrees Right Triangle

the longest side of a right triangle hypotenuse

the smaller sides of a right triangle leg

Using three sides to see if triangles are congruent Side-Side-Side

Using two sides and one angle to see if triangles are congruent SideAngleSide

Using two angles and one included side to see if triangles are congruent SideAngleSide

Using two angles and one non-included side to see if triangles are congruent SideSideAngle

A method to see if right triangles are congruent HypotenuseLeg

A part of being considered Included

Not being considered NonIncluded

Comparable in form Corresponding

A statement that shows equivalence Congruence Statement

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The maximum or minimum point of a quadratic function. vertex

The line of symmetry that runs through the vertex; can be found algebraically: x=-b/(2a) axis of symmetry

All the input values of a function. domain

All the output values of a function. range

x = -b ± √(b² - 4ac)/2a quadratic formula

one of the possible outcomes of a probability experiment event

a possible result of an experiment outcome

a diagram that shows how two or more sets in a universal set are related Ven diagram

a collection or list of items SET

events such that the outcome of one event does not affect the probability of the outcome of another event independent events

'sides and angles' that are images of each other will be equal if the two triangles are congruent. CORRESPONDING PARTS

Any number that can be written as a simple fraction, with a whole number numerator and denominator, such as terminating decimals, repeating decimals and integers. rational number

A square with a whole number root. perfect square

An angle of exactly 90 degrees. right angle

A triangle that contains a right angle. right triangle

Any number that cannot be written as a simple fraction, such as non-repeating, non-terminating decimals, square roots of non-perfect squares, pi. irrational number

The result of multiplying a number by itself square

Greek philosopher, 570-495 BC. There is no evidence that Pythagoras himself worked on or proved the Pythagorean Theorem, which was used previously by Babylonians and Indians. Pythagoras

A mathematical symbol that indicates the extraction of the root of the square inside. radical sign

the statement that the values of two mathematical expressions are equal equation

a numerical or constant quantity placed before and multiplying the variable in an algebraic expression Coefficient

solving a problem solutions

value that,when multiplied by itself,gives the number roots

relationship between two numbers indicating how many times the first number contains the second ratio

two ratios or fractions are equal proportion

relationship between two numbers indicating how many times the first number contains the second ratio

a single number or variable, or numbers and variables multiplied together terms

an unbroken part of a circle arc

an angle whose vertex is at the center of a circle central angle

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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

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A line,ray,segment or plane that intersects the segment at a midpoint. This divides the line, ray, segment or plane into two equal parts. Segment Bisector

A ray that divides an angle into 2 congruent adjacent angles. This consists of all points that are equidistant from the sides of the angle. Angle bisector

Two angles that add up to equal 180 are considered this. The measure of the first angle plus the measure of the second angle must equal 180 degrees total. supplementary angles

Two angles whose sum is 90 degrees are this. The measure of the first angle plus the measure of the second angle must equal 90 degrees. complementary angles

Coplanar lines that do not intersect. The two lines in the plane will never meet or touch each other. Parallel lines

A line that intersects two or more coplanar lines at distinct points. This can be used to determine whether or not two lines are parallel. transversal

The equation used in terms of slope that states "m"=the slope which is multiplied by x. "B" is the y-intercept. y=mx+b slope intercept form

Three sides of a triangle are congruent to 3 sides of a second triangle. What postulate will be used to prove the 2 triangles congruent? SSS

If two sides and the included angle of a triangle are congruent to 2 sides and the included angle of a second triangle Then the triangles are congruent according to what postulate? SAS

If two angles and the included side of one triangle are congruent to two angles and the included side of a second triangle then the triangles are congruent. According to what postulate? ASA

If two angles and the non-included side of one triangle are congruent to two angles and the non-included side of a second triangle then the triangles are congruent. According to what theorem? AAS

This term is used to prove corresponding segments or angles of congruent triangles congruent. What is the abbreviation? CPCTC

Two angles whose sides are formed by two pairs of opposite rays. The angles are congruent and placed "across" from each other. Vertical Angles

The point where sides meet. Often found on 3-dimensional figures including cones and pyramids. Vertex

The length of an arc of a circle is the product of the ratio and the circumference of the circle. Measure of arc AB= (measure of arc AB/360)(2πr). Arc Length

A comparison of two quantities by division. Such as, 5 to 7, 5:7, and 5/7. Ratio

A quadrilateral that has all the characteristics except for 2. The 2 characteristics this quadrilateral does not have is base angles congruent and has only one pair of opposite sides parallel. square

A line that is contained within two points called "endpoints." This line includes the two endpoints and several different points within the line. Segment

A perpendicular segment that joins the vertex of a triangle with the opposite side of the triangle.This is often substituted as "x" to find the geometric mean of the triangle. Altitude

Arcs that have the same measurement and are within the same circle or congruent circles. These arcs are the same in size and length. Congruent Arcs

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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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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

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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

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A _____________ is an interior angle that is not adjacent to the exterior angle. Remote interior angle

_____________________ are in the same position in polygons with an equal number of side. Corresponding angle

____________________ are in the same position in polygons with an equal number of side. corresponding sides

two polygons are ______________________ congruent polygons

The property of triangle of __________________ gives you a shortcut for proving two triangle congruent. Triangle rigidly

An __________________ is an angle formed by two adjacent sides polygon. Included

An included side is the common side for two __________________________________ in polygon. Consecutive Angle

Abbreviation for "Corresponding Parts Of Congruent Triangles Are Congruent. CPCTC

The congruent sides are called Legs

What angle is formed by the legs? Vertex Angle

The side opposite the vertex angle is called base

______________ angle has two angles that have the same base as a side base

When a point is the same distance from two or more objects, the point is said to be __________________ from the object. Equidistant

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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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A circle __________________ in a polygon intersect each line that contains a side the polygon at exactly one point. Inscribed

A ________________ of a triangle is a segment whose endpoints are a vertex of the triangle and the midpoint of opposite side. Median

The points concurrency of the medians triangle is the __________________? CENTROID THE TRIANGLE

An ____________ of a triangle is a perpendicular segment from a the opposite value. Altitude

A ___________ of triangle is a segment that joins the midpoints of 2 sides of the triangle. mid segment

A quadrilateral with two pairs of parallel sides is a ________ parallelogram

A __________ is a quadrilateral with 4 right sides. rectangle

A _______________ is a quadrilateral with 4 congruent sides. Rhombus

A _____________ quadrilateral with 4 right angles and 4 congruent sides. square

Same shape but not same __________ size

__________________ polygons is 2 polygons are similar if they corresponding angles are congruent and corresponding sides are in a proportion. Similar

A __________________________ is the ratio of the corresponding sides of two similar polygons. similarity ratio

A _______________ transformation is dilatation or a composite of one or more dilation and one or more congruence transformation. similarity transformation

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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