Inscribed Angles of Circles

What is m∠ACB?

• 67.5°

• 90°

• 22.5°

• 45°

What is the value of x?

• 11

• 88

• 44

• 22

Find the measure of arc QR

• 106

• 85

• 113

• 78

Solve for x.

Hint: If a triangle has a diameter for it's side, then angle D is 90 degrees. Set it equal to 90.

• 45.5

• 90.5

• 90

• 23

Which number best represents an inscribed angle?

• 1

• 2

• 8

• 9

Find the measure of the indicated angle.

• 42
  ⁰
  ⁰
  ⁰

• 51

• 36

• 45

• Inscribed Angle
• Central Angle 

Is this an inscribed angle?

• Yes

• No

Find the measure of the ?

• 75˚

• 190˚

• 95˚

• 150˚

Is this an inscribed angle?

• Yes

• No