Identify the center of the circle.

Are the circles tangent, concentric, or congruent?

Are the circles tangent, concentric, or congruent?

A radius of a circle is a segment whose endpoints are the _____ of the circle and a point on the circle.

The circumference is the distance around a _____.

A tangent is a line in the same plane as the circle that intersects the circle at exactly _____ point(s).

A secant is a line that intersects a circle at _____ points.

A circle is a locus of points in a plane that are _____ from a single point.

A semicircle is an arc whose endpoints lie on a(n) _____.

A(n) _____ of a circle is a region within a circle bounded by two radii and their intercepted arc.

A(n) _____ of a circle is a region within a circle bounded by an arc and its chord.

2.015) indicates the _____

The minor arc is the set of points that lie on an arc in the _____ of the central angle of a circle.

Adjacent arcs are two arcs that _____ at exactly one point.

A(n) _____ is a continuous portion of a circle consisting of two endpoints and all the points on the circle between them.

Arcs that have the same measure within the same circle or congruent circles are called _____ arcs.

The arc length is the measure of the distance along an arc measured in _____ units.

The intercepted arc is an arc formed by _____ lines or line segments that intersect a circle.

The measure of an inscribed angle is _____ the measure of its intercepted arc. (Inscribed Angle Theorem)

If two secants intersect in the _____ of a circle, then the measure of each angle formed is half the sum of the measures of the intercepted arcs. (Theorem 7.6B)

A(n) _____ angle is an angle whose vertex is a point on the circle and whose sides are two chords of the circle.

If a quadrilateral is inscribed in a circle, then its _____ angles are supplementary. (Theorem 7.5D)

If inscribed angles in a circle or congruent circles intercept the same arc or congruent arcs, then the angles are _____. (Theorem 7.5B)

If a tangent and a secant, two tangents, or two secants intersect in the _____ of a circle, then the measure of the angle formed is half the difference of the measures of the intercepted arcs. (Theorem 7.6C)

If a tangent and a secant intersect a circle at the point of tangency, then the measure of the angle formed is half the measure of the _____ arc. (Theorem 7.6A)

If an inscribed angle intercepts a(n) _____ then the angle is a right angle. (Theorem 7.5C)