Circle Rules Geometry

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

• 150°

• 100°

• 210°

• 105°

Find the length of the arc

• 25pi/18

• 125pi/90

• 16pi/3

• 20pi/3

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

What is the measure of ∠PTQ?

• 100°

• 140°

• 180°

• 120°

Find the measure of <XTY

• 65

• 98

• 70

• 52

Find the measure of arc JH

• 93

• 130

• 120

• 95

Find the measure of arc GKJ

• 105

• 50

• 55

• 180

What is the measure of arc AYB

• 50

• 100

• 180

• 260

In the diagram, AC is tangent to circle B, find the length of CB.

• 6

• 7

• 8

• 9

In the diagram, two chords intersect inside the circle. Solve for x.

• 14

• 12

• 19

• 17