- Type
- Crossword Puzzle

having a common boundary of edge Adjacent

the space between two lines or planes that intersect measured in degrees or radians angle

the bottom side of a geometric figure from which the height can be determined base

the distance around a circle is called circle c=2 pi x r circumference

two angels whose sum is a right angle complementary angle

the length of a straight line passing through the center of a circle and connecting two points on the circumference diameter

the magmatiude of something in a particular direction espicaly length width or height dimensions

a surface forming part of the outside of an object face

cut or impressed into surface inscribed

a straight path between two points line

the part of a line between two end points line segment

one set of parallel geometric figures parallels never meet parallel

two lines that form an upside down T that form a right angle perpendicular

the ratio of a circles circumfrence to the diameter =3.14 pi

the area created by a plane cutting through a solid Plane Sections

a polyhedron having a polygonal base and triangular sides with a common vertex Pyramid

a straight line from the center to the perimeter of a circle or from the center of the surface of a sphere Radius

a straight line extending from a point Ray

a polyhedron with two congruent and parallel faces(the bases) and who's lateral faces are parallelograms Right Rectangular Prism

a polyhedron having a polygonal base and triangular sides with a common vertex Right Rectangular Pyramid

two angles are called supplementary when their measures add up to 180 degrees Supplementary Angle

- 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

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

Ice cream Cone

The sum of the areas of the faces Surface Area

A three-dimensional figure with all point the same Sphere

A polydendron with polygon base and triangular sides Pyramid

The set of all point in a plane that are the smae distance from a given point Circle

The distance around a circle Circumference

A three-dimensional figure with two parallel, congruent circular bases connected by a curved lateral surface Cylinder

A line segment that passes throgh the center of a circle Diameter

A polyhedrom that has two congruent, polygon-shaped bases and other faces that are all parallelograms Prism

The distance around a polygon Perimeter

- 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

The measure distance around a polygon Perimeter

The non overlapping square units required to fill the region enclosed by the curve Area of a closed curve

A line segment connecting want two points on a circle but does not need to pass through the center of the circle Chord

The distance around the circle or the perimeter of the circle Circumfrence

A special chord that connects two points on the circle and passes through the center of the circle Diameter

An equation hat shows a mathematical relationship Formula

The perpendicular distance between opposite bases Height

Distance from one end or from one point to another Length

A quadrilateral with both pairs is opposite sides parallel Parralellogram

The ratio of the circumference of any circle to its diameter Pi

A flat surface with no thickness that extends without end in all directions on the surface Plane

The length of a line segment connecting the center of the circle with any point on the circle Radius

A comparison of two quantities by division Ratio

A parallelogram with four right angles Rectangle

One of the lines that make a flat two dimensional shape Side

A parallelogram with four right angles and four congruent sides Square

A quadrilateral with exactly one pair of parallel sides Trapezoid

A polygon with three sides Triangle

The distance from one side to one side Width

The bottom or side of a figure Base

- 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

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
- Matching Worksheet

lines going in the same direction parallel lines

line that intersects two parallel lines transversal

lie inside the parallel lines interior angles

lie outside the parallel lines exterior angles

on opposite sides of transversal alternate interior angles

on opposite sides of transversal alternate exterior sides

in the same position on the parallel lines corresponding angles

when two lines intersect vertical angles

two angles have same vertex, share common side, don't overlap adjacent angles

sum of the measures of two angles is 90 complimentary angles

sum of the measures of two angles is 180 supplementary angles

lines that intersect to form a right angle perpendicular lines

a sequence of straight line segments forming a closed figure polygon

line segment in polygon that forms triangles diagonal

polygon that is equilateral regular polygon

set of all points in plane that are same distance from center circle

distance from center to any point on the circle radius

distance across the circle through the center diameter

distance around the circle circumference

figure that isn't classified as single polygon or circle composite figure

- 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

A portion of a circle defined by two endpoints arc

A segment with endpoints at the center and on the circle radius

A segment with endpoints on the circle chord

An irrational number =C/d pi

Set of points in a plane equidistant from the center circle

A line in the same plane as the circle which intersects the circle in exactly on point tangent

When every side of the polygon is tangent to the circle circumscribedpolygons

A chord that passes through the center diameter

Region bounded by an arc and a chord segmentofcircle

Region bounded by a central angle and its intercepts arc sectorofcircle

An arc greater than 180 degrees majorarc

Arc formed by an inscribed angle interceptedarc

When all vertices of a polygon lie on the circle inscribed

When two circles have congruent radii congruent

A line that intersects a circle in exactly two points secant

Has a vertex on a circle and sides that contains cords of a circle inscribedangle

Point where a tangent line touches a circle pointoftangency

A segment of a secant line that has exactly one endpoint on the circle secantsegment

A secant segment that lies in the exterior of the circle externalsecantsegment

Segment of a tangent with one endpoint on the circle tangentsegment

Arcs in a circle that have exactly one point in common adjacentarcs

Line, ray, or segment this is tangent to two circles in the same plane commontangent

Arcs with the same measurement congruentarcs

An arc equal to 180 degrees semicircle

Two segments created by two chords intersecting in a circle chordsegment

When circles are coplanar and have the same center concentric

An arc less than 180 degress minorarc

An angle with the vertex in the center of the circle centralangle

A circle is ________ about a polygon if it contains all vertices of that polygon circumscribed

Distance between two endpoints along an arc measured in linear units arclength

Distance around a circle circumference