Circle Chord, Inscribed and Central Angle

What is the measure of ∠PTQ?

• 100°

• 140°

• 180°

• 120°

Segments with endpoints on a circle are called _____.

• arcs

• radii

• chords

• polygons

inscribed angle: an angle with its vertex _____________ the circle

• at the center of

• on

Find the radius r

• 2

• 3

• 4

• 5

In the diagram, TP and TQ are tangents to circle O. Determine the value of x. (Note the angles with single arcs are not necessarily congruent in this diagram.)

• 70

• 110

• 140

• 90

opposite angles in any quadrilateral inscribed in a circle are __________ of each other.

• complements

• supplements

• congruent

• opposite

A ____ is a line, ray, or segment that intersects a circle at two points.

• Tangent

• Secant

• Radius

• Arc

Find the value of x.

• 15

• 13

• 3

• 6

What is x?

• 15

• 23

• 2

• 92

What best describes segment AB?

• chord

• secant

• tangent

• diameter