Angles of Circles

• A

• B

• C

• D

Find the measure of angle V

• 85

• 80

• 87

• 117

What is m∠ACB?

• 67.5°

• 90°

• 22.5°

• 45°

Which is the correct equation to find m<KLM?

• x = 1/2(140 - 66)

• x = 1/2(140+66)

• 66 = 1/2(140 - x)

• 66 = 1/2(140 + x)

Find the value of x.

Mathematical Equivalence

ON

Think about if the angles are equal or if they add up to 180. Solve for x. Plug it in.

Mathematical Equivalence

ON

Mathematical Equivalence

ON

What is the measure of angle 2?

• 80

• 45

• 125

• 40

Find the measure of angle MNQ.

• 89

• 45

• 158

• 22

Find the measure of ∠ABE.

• 129⁰

• 51⁰

• 100⁰

• 65⁰