Lesson 10-2: Measuring Angles and Arcs

Find the value of x

• 70

• 80

• 90

• 100

Find the value of x.

• 120

• 130

• 140

• 150

AC and EB are diameters of circle R. Identify arc DC as a major arc, minor arc, or semicircle. Then find its measure.

• Minor Arc

  100°

• Major Arc

  100°

• Semicircle

  100°

• Minor Arc

  80°

Find the measure of arc AD.

• 72°

• 100°

• 108°

• 120°

Find the measure of arc UQ.

• 40°

• 90°

• 130°

• 230°

Find the measure of arc TR.

• 40°

• 50°

• 90°

• 270°