# tic-tac-toe project Word Search

Type
Word Search
Description

area
chord
circular
circumference
closed
curved
d=2r
diameter
equidistant
loop
perimeter
polygon
r=1/2 d
r=d/2
round
two dimentional

## Parts of the Circle Crossword

Type
Crossword
Description

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

## Area perimeter Crossword

Type
Crossword
Description

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

## Perimeter and Area Crossword

Type
Crossword
Description

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

## Ch 10: Circles Crossword

Type
Crossword
Description

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

## PI Day's Crossword Puzzle

Type
Crossword
Description

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

## Circle Vocabulary Crossword

Type
Crossword
Description

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

## Pi Day Crossword Puzzle

Type
Crossword
Description

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

## Geometry Crossword Puzzle

Type
Crossword
Description

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

## IED Unit 5 key terms Crossword

Type
Crossword
Description

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 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

## Circles Crossword

Type
Crossword
Description

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 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