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circumscribed angle

intercepted arc

center of a circle

adjacent arcs

An angle whose sides are tangent to a circle.

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

The point from which all points on a circle are equidistant.

Arcs of a circle that have exactly one point in common.

circumscribed angle

An angle whose sides are tangent to a circle.

intercepted arc

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

Circle

Center of a Circle

Radius

Chord

The set of all points equidistant from a given point.

The point inside of a circle that is the same distance from e…

A segment with one endpoint on the center of the circle and t…

A segment with both end points on the circumference of the ci…

Circle

The set of all points equidistant from a given point.

Center of a Circle

The point inside of a circle that is the same distance from e…

center

circle

chord

diameter

a point that is equidistant from all points on a circle

A round plane figure whose boundary consists of points equidi…

a segment that has both endpoints on the circle

A chord that passes through the center of the circle

center

a point that is equidistant from all points on a circle

circle

A round plane figure whose boundary consists of points equidi…

circle

center

radius

chord

Set of all points in a plane that are equidistant from a give…

a point in the middle of the circle making everything equidis…

A segments whose endpoints are the center and anywhere else o…

A segment whose endpoints are on a circle.

circle

Set of all points in a plane that are equidistant from a give…

center

a point in the middle of the circle making everything equidis…

Circle

Tangent Circles

Radius

Chord

The set of all points in a plane that are equidistant from a…

Coplanar circles that intersect in one point.

A segment whose endpoints are the center and any point on the…

A segment whose endpoints are on a circle.

Circle

The set of all points in a plane that are equidistant from a…

Tangent Circles

Coplanar circles that intersect in one point.

circle

chord

diameter

radius

the set of all points in a plane that are equidistant from a…

a segment whose endpoints are on the circle.

a chord that passes through a center and the other endpoints…

a segment where one endpoint is at the center and the other e…

circle

the set of all points in a plane that are equidistant from a…

chord

a segment whose endpoints are on the circle.

circle

center

radius

diameter

a plane figure made up of points all the same distance from a…

the point inside a circle that is the same distance from each…

a line segment from a center to any point on the circle

a line segment that passes through the center of a circle wit…

circle

a plane figure made up of points all the same distance from a…

center

the point inside a circle that is the same distance from each…

Radius

Chord

Diameter

Central angle

segment that has one endpoint at center, and on on circle

segment with endpoints on circle

special chord that goes thru center (double radius)

∠ whose vertex is center of circle, sum of the measures of ce…

Radius

segment that has one endpoint at center, and on on circle

Chord

segment with endpoints on circle

circle

semicircle

radius

diameter

Set of points that are a fixed distance from a given point ca…

An arc that measures 180... half of a circle... An arc of a circle…

The distance from the center of a circle to any point on the…

A chord that contains the center of the circle... A straight lin…

circle

Set of points that are a fixed distance from a given point ca…

semicircle

An arc that measures 180... half of a circle... An arc of a circle…

The set of all points in a plane that…

Coplanar circles that intersect in one…

A segment whose endpoints are the cent…

A segment whose endpoints are on a cir…

Circle

Tangent Circles

Radius

Chord

The set of all points in a plane that…

Circle

Coplanar circles that intersect in one…

Tangent Circles

circumscribed angle

intercepted arc

center of a circle

adjacent arcs

An angle whose sides are tangent to a circle.

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

The point from which all points on a circle are equidistant.

Arcs of a circle that have exactly one point in common.

circumscribed angle

An angle whose sides are tangent to a circle.

intercepted arc

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

RELATIONSHIP... How are diameters and cho…

RELATIONSHIP... How are radii and diamete…

FORMULA... Radius (including diameter)

FORMULA... Diameter (including radius)

Diameter is a chord that passes through the center of a circle

Diameter is 2x any radius of a circle

R = 1/2*D

D = 2*R

RELATIONSHIP... How are diameters and cho…

Diameter is a chord that passes through the center of a circle

RELATIONSHIP... How are radii and diamete…

Diameter is 2x any radius of a circle

circle

radius

chord

diameter

the set of all points in a plane that are equidistant from a…

a segment whose endpoints are the center of a circle and any…

a segment whose endpoints are on a circle

a chord that contains the center of the circle

circle

the set of all points in a plane that are equidistant from a…

radius

a segment whose endpoints are the center of a circle and any…

center

radius

diameter

chord

the middle point within the circle or sphere equally distant…

a straight line extending from the center of a circle or sphe…

a straight line passing through the center of the circle or s…

the line segment between 2 points on a given curve

center

the middle point within the circle or sphere equally distant…

radius

a straight line extending from the center of a circle or sphe…

Circle

Center

Radius

Congruent Circles

The set of all points in a plane that are equidistant from a…

The point of which the points of a circle are based upon

The distance from the center of a circle to a point on the ci…

Two circles that have the same radius

Circle

The set of all points in a plane that are equidistant from a…

Center

The point of which the points of a circle are based upon

Circle

Tangent Circles

Radius

Chord

The set of all points in a plane that are equidistant from a…

Coplanar circles that intersect in one point.

A segment whose endpoints are the center and any point on the…

A segment whose endpoints are on a circle.

Circle

The set of all points in a plane that are equidistant from a…

Tangent Circles

Coplanar circles that intersect in one point.

Secant

Tangent

Tangent Circles

Concentric Circles

A line that intersects a circle in two points

A line that intersects a circle at one point

Coplane circles that intersect at one point

Coplanar circles that have the same center

Secant

A line that intersects a circle in two points

Tangent

A line that intersects a circle at one point

Circle

Radius

Chord

Diameter

The set of all points that are equidistant from a point calle…

A segment whose endpoints are the center and any point on the…

A segment whose endpoints are on a circle.

A chord that contains the center of the circle.

Circle

The set of all points that are equidistant from a point calle…

Radius

A segment whose endpoints are the center and any point on the…

Circle

Center of a Circle

Chord

Diameter

The set of all points equidistant from a given point.

The point inside of a circle that is the same distance from e…

A segment with both end points on the circumference of the ci…

A chord whose midpoint is the center of the circle. Its lengt…

Circle

The set of all points equidistant from a given point.

Center of a Circle

The point inside of a circle that is the same distance from e…

Center

Chord

Diameter

Radius

The center of the circle

A line segment whose endpoints are 2 points on the circle

Distance across the circle, through the center (2x the radius)

Distance from any point on the circle to the center (1/2 the…

Center

The center of the circle

Chord

A line segment whose endpoints are 2 points on the circle

Hi! Here's Chapter 10 Review. ... I recom…

10.1 - Circle

10.1 - Radius

10.1 - Chord

There's nothing here.... If you're still reading this, you shou…

The set of points equidistant from a given point.

Any segment with one endpoint at the center and the other end…

A segments whose endpoints are on the circle.

Hi! Here's Chapter 10 Review. ... I recom…

There's nothing here.... If you're still reading this, you shou…

10.1 - Circle

The set of points equidistant from a given point.

Circle

Radius

Chord

Diameter

The set of all points in a plane that are equidistant from a…

A segment whose endpoints are the center and any point on the…

A segment whose endpoints are on the circle

A chord that goes through the center or the circle

Circle

The set of all points in a plane that are equidistant from a…

Radius

A segment whose endpoints are the center and any point on the…

circle

center of a circle

The points inside the circle form the…

The points outside the circle form the…

1. derived from the Latin word circus, which means "ring" or…

the point inside the circle that is equidistant from all the…

interior

exterior

circle

1. derived from the Latin word circus, which means "ring" or…

center of a circle

the point inside the circle that is equidistant from all the…

Circle

center

radius

chord

the set of all points in a plane that are equidistant from a…

the given point in the center of the circle

a segment whose endpoints are the center of the circles and a…

a segment whose endpoints are on the circle

Circle

the set of all points in a plane that are equidistant from a…

center

the given point in the center of the circle

Center of a cirlce

Radius

Diameter

Chord

We name a circle by the center of the circle

Segment from the center of the circle to any point on the cir…

A chord that passes through the center of the circle

Segment with end points on the circle

Center of a cirlce

We name a circle by the center of the circle

Radius

Segment from the center of the circle to any point on the cir…

Circle

Radius

Interior point

Exterior point

set of all points in a plane that are equidistant from a give…

distance from the center to point on the circle or a segment…

distance less than radius

distance more than radius

Circle

set of all points in a plane that are equidistant from a give…

Radius

distance from the center to point on the circle or a segment…

circle

center

radius

diameter

a plane figure made up of points all the same distance from a…

the point inside a circle that is the same distance from each…

a line segment from a center to any point on the circle

a line segment that passes through the center of a circle wit…

circle

a plane figure made up of points all the same distance from a…

center

the point inside a circle that is the same distance from each…

Chord

Radius

Diameter

Secant

Segment with both endpoints on circle

Segment with endpoints at the center of circle at any point o…

Chord that passes through center

Line that intersects the circle at two points

Chord

Segment with both endpoints on circle

Radius

Segment with endpoints at the center of circle at any point o…

circle

center

radius

chord

all the points in a plane equidistant from a given point

the point in a circle from which all points in the plane are…

a segment whose endpoints are the center and any point on the…

a segment whose endpoints are on the circle

circle

all the points in a plane equidistant from a given point

center

the point in a circle from which all points in the plane are…

Circle

Radius

Chord

Diameter

The locus or set of all points in a plane equidistant from a…

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

A segment with endpoints on the circle.

A chord that passes through the center of a circle. It consis…

Circle

The locus or set of all points in a plane equidistant from a…

Radius

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

Circle

Radius

Chord

Secant

A set of all points in a plane, equidistant from a given point

A segment whose end points are the center and a point on the…

A segment whose end points are on the circles

A line that intersect a circle at two points

Circle

A set of all points in a plane, equidistant from a given point

Radius

A segment whose end points are the center and a point on the…

Circle

Center

Radius

Diameter

the set of all points in a plane that are equidistant from a…

the given point that all points are equidistant from

distance from the center to a point on the circle; segment wh…

distance across the circle, through the center (twice the rad…

Circle

the set of all points in a plane that are equidistant from a…

Center

the given point that all points are equidistant from

Circle

Center

Radius

Chord

The set of all parts in a plane that are equidistant from the…

The point that all the points that make up the circle are equ…

A segment whose end points are the center and any point on th…

A segment whose end points are on a circle

Circle

The set of all parts in a plane that are equidistant from the…

Center

The point that all the points that make up the circle are equ…

Circle

Radius

Diameter

Chord

the set of all points in a place that are equidistant from a…

distance from the center to a point on the circle, a segment…

the distance across the circle, through its center

a segment whose endpoints are points on the circle... (Diameter…

Circle

the set of all points in a place that are equidistant from a…

Radius

distance from the center to a point on the circle, a segment…

If a radius is perpendicular to a chord,

If the radius of a circle bisects a ch…

The perpendicular bisector of a chord

If two chords of a circle are equidist…

Then it bisects the chord.

Then it is perpendicular to that chord.

Passes through the center of the circle.

Then they are congruent.

If a radius is perpendicular to a chord,

Then it bisects the chord.

If the radius of a circle bisects a ch…

Then it is perpendicular to that chord.

Theorem 10.1

Theorem 10.2

Theorem 10.3

Theorem 10.4

In a plane, a line is tangent to a circle if and only if the…

Tangent segments from a common external point are congruent.

In the same circle, or in two congruent circles, two minor ar…

If one chord is a perpendicular bisector of another chord, th…

Theorem 10.1

In a plane, a line is tangent to a circle if and only if the…

Theorem 10.2

Tangent segments from a common external point are congruent.

secant

tangent

chord

central angle

a line that intersects a circle in 2 points

a line in the plane of a circle that intersects the circle in…

a segment whose endpoints are on the circle

angle whose vertex is at the center of a circle

secant

a line that intersects a circle in 2 points

tangent

a line in the plane of a circle that intersects the circle in…

Circle

Radius

Chord

Diameter

The set of all points equidistant from a center

Segment with endpoints at the center and on the circle.

Segment with endpoints on the circle

Chord that passes through the center and is made up of collin…

Circle

The set of all points equidistant from a center

Radius

Segment with endpoints at the center and on the circle.

circle

chord

diameter

radius

the set of all points in a plane that are equidistant from a…

a segment whose endpoints are on the circle.

a chord that passes through a center and the other endpoints…

a segment where one endpoint is at the center and the other e…

circle

the set of all points in a plane that are equidistant from a…

chord

a segment whose endpoints are on the circle.

circle

center of a circle

radius

Two circles are __________ if they hav…

the set of all points in a plane that are

equidistant from a given point in the plane

the distance from the center to a point on ... the circle or a s…

congruent

circle

the set of all points in a plane that are

center of a circle

equidistant from a given point in the plane

Chord

Diameter

Radius

Two circles are congruent...

any segment with endpoints that are on the circle

a (special) chord that passes through the center of a circle…

any segment with endpoints that are the center and a point on…

...if and only if they have congruent radii

Chord

any segment with endpoints that are on the circle

Diameter

a (special) chord that passes through the center of a circle…

radius perpendicular to chord thm.

chord

circle

radius

If a radius (or part of radius) is perpendicular to a chord,…

a segment that joins 2 points on a circle

the set of all points in a plane that are a given distance fr…

a segment that joins the center to a point on the circle

radius perpendicular to chord thm.

If a radius (or part of radius) is perpendicular to a chord,…

chord

a segment that joins 2 points on a circle

Circle

Tangent Circles

Radius

Chord

The set of all points in a plane that are equidistant from a…

Coplanar circles that intersect in one point.

A segment whose endpoints are the center and any point on the…

A segment whose endpoints are on a circle.

Circle

The set of all points in a plane that are equidistant from a…

Tangent Circles

Coplanar circles that intersect in one point.

Circle

Radius

Chord

Diameter

A set of points equidistant from a given point called a center

A segment with end points at the center and on the circle

A segment with two end points on the circle. Doesn't need to…

It is a type of chord with two end points on the circle but i…

Circle

A set of points equidistant from a given point called a center

Radius

A segment with end points at the center and on the circle

Circle

Radius

Diameter

Chord

the set of all points in a place that are equidistant from a…

distance from the center to a point on the circle, a segment…

the distance across the circle, through its center

a segment whose endpoints are points on the circle... (Diameter…

Circle

the set of all points in a place that are equidistant from a…

Radius

distance from the center to a point on the circle, a segment…

circle

center

radius

chord

the set of all points in a plane that are equidistant from a…

the point of which all point on the outside of the circle are…

a segment whose endpoints are the center and any point on the…

a segment whose endpoints are on a circle

circle

the set of all points in a plane that are equidistant from a…

center

the point of which all point on the outside of the circle are…