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area

chord

circular

circumference

closed

curved

d=2r

diameter

equidistant

loop

perimeter

polygon

r=1/2 d

r=d/2

radii

radius

round

two dimentional

- Type
- Crossword Puzzle

the outer boundary, especially of a circular area; perimeter circumference

a straight line extending from the center of a circle or sphere to the circumference or surface radius

a plane figure bounded by two radii and the included arc of a circle. sector

half of a circle; the arc from one end of a diameter to the other. semicircle

any particular extent of space or surface; part area

touching at a single point, as a tangent in relation to a curve or surface. tangent

the line segment between two points on a given curve. chord

a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end. diameter

an intersecting line, especially one intersecting a curve at two or more points secant

is an arc of a circle having measure greater than or equal to 180 degrees arc major

in a circle determines an arc central angle

is an arc of a circle having measure less than or equal to ( radians) arc minor

is an angle formed by two chords in a circle which have a common endpoint inscribed angle

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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

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

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- 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

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- Crossword Puzzle

Set of all points in a plane that are equidistant fron a point. Circle

Coplanar circles that intersect in one point. Tangent circles

Segment whose endpoints are the center and any point on a circle. Radius

Segment whose endpoints are on a circle. Chord

Chord that contains the center of the circle. Diameter

line that intersects a circle in tow points Secant

line in the plane of a circle that intersect the circle in exactly one point. Tangent

Point where the tangent intersects the circle. Point of Tangency

Coplanar circles that have a common center. Concentric circles

A mathematical constant commonly approximated as 3.14159. Pi

An angle whose vertex is the center of the circle. Central angle

It is an arc with endpoints that are the enpoints of a diameter. Semicircle

Two arcs of the same circle that intersect at exactly one point. Adjacent arcs

An angle whose vertex is on a circle and whose sides contain chords of the circle. Inscribed angle

An arc that lies between two lines, rays, or segments. Intercepted arc

A polygon when all its vertices lie on a circle. Inscribed polygon

The circle that contains the vertices. Circumscribed circle

Angle whose sides are tangent to a circle. Circumscribed angle

Segment that is tangent to a circle at an endpoint. Tangent segment

Segment that contains a chord of a circle and has exactly one Secant segment

The part of a secant segment that is outside the circle. External segment

When two chords intersect in the intirior of a circle and each chord is divide in segments. Segments of the chord

It is a closed curve or circular object is the linear distance around its edge. Circumference

Real number that can't be expressed as a ratio of integers as a fraction. Irrational number

Mathematician who used Pi symbol for first time to represent the platonic concept. William Jones

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- Crossword Puzzle

a segment whose endpoints are the center and any point on a circle radius

chord that contains the center of a circle diameter

the point from which all points on a circle are equidistant center

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

the distance around a circle circumference

an angle whose vertex is on a circle and whose sides contain chords of the circle inscribed angle

a segment whose endpoints are on a circle chord

a line that intersects a circle in two points secant line

an arc with endpoints that are the endpoints of a diameter semicircle

a line in the plane of a circle that intersects the circle at exactly one point tangent line

if the endpoints of a chord or arc lie on the sides of an inscribed angle, the chord or arc is said to subtend the angle subtend

coplanar circles that intersect in one point tangent circles

an arc that lies between two lines, rays or segments intercepted arc

an angle whose sides are tangent to a circle circumscribed angle

a part of the circumference of a circle arc

a circle that contains all the vertices of an inscribed polygon circumscribed circle

coplanar circles that have a common center concentric circles

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- Crossword Puzzle

month Pi Day is celebrated March

total length around the outside of a closed figure Perimeter

comparison of two numbers ratio

distance around the outside of a circle circumference

ratio of the circumference of a circle to its diameter pi

amount of space occupied by a 3D figure volume

branch of math that deals with lines, points, angles, etc... geometry

distance from the center of the circle to it's circumference radius

line that passes through the center of a circle diameter

curved surface that looks like a ball sphere

3D figure that has two circular faces that are parallel cylinder

did the first calculation of pi Achimedes

closed, round shape circle

decimal number that can't be written as a simple fraction irrational

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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 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

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- Crossword Puzzle

As the line through a pair of infinitely close points on the curve. Tangent

Functions of an angle that relate the angles of a triangle to the lengths of its sides. Secant

A plural of a radius. Radii

A straight line segment whose endpoints both lie on the circle. Chords

An angle whose vertex is the center O of a circle and whose sides are radii intersecting the circle in two distinct points A and B. Central angles

The angle formed in the interior of a circle when two secant lines intersect on the circle. Inscribed angle

The arc that is formed when segments intersect portions of a circle and create arcs. Intercepted arc

A supplementary angle in a circle has <1+ <2. 4 is 60°, what is <2? One-hundred twelve

There is a tangent x long and a secant that is 4ft long inside and 2ft long outside, what is x? Four

Negative theta over 360 pi r squared Sector area

Negative theta over 360 two pi r. Arc Length

Two pi r. Circumference

Pi r squared. Area

(x-h)^2+(y-k)^2=r^2, what is h+k. Center

<ACB is 36°, C is the center of the circle, what is the arc of AB? Thirty-six degrees

Are xz is 120° and can form <XYZ. Y is a point on the circle, what is <XYZ. Sixty degrees

What is this formula, a^2+b(b+c)? Secant tangent

What is this formula a(a+b) = c(c+d)? Secant Secant

A four sided shape in a circle created opposite angles that are supplementary. Inscribed quad

Minor arcs are congruent, corresponding chords are congruent, what theorem is this? Arcs and chords

A chord drawn perpendicular diameter what theorem is this? Chord bisector

When a tangent and a chord intersect and the measure of the intercepted are theorem? Tangent chord

Two chords intersect in the interior of a circle the measure of each angle is 1/2 of the sum of the measure of the arc, what is the theorem? Interior intersection

What theorem is this: 1/2(big arc-small arc)? Exterior Intersection

What theorem is this, tangents segments touch to a point outside of the circle. Tangentsegment