Circle Portion and Angle Measure

What is the measure of arc AB?

• 140
• 142
• 180
• 153

Find the given angle.

• 59°

• 78°

• 43°

• 242°

Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent.

• 155

• 160

• 125

• 140

Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent.

• 36

• 35

• 30

• 41

Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent.

• 61

• 72

• 57

• 83

Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent. (Hint - angle DCB is an inscribed angle!)

• 45

• 70

• 69

• 75

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

• 150°
• 100°
• 210°
• 105°

What is the measure of angle A?

• 34°

• 180°

• 112°

• 79°

Solve for [x]. Assume that lines which appear tangent are tangent.

• 10

• 2

• 12

• 5

What is the arc measure FE?

• 54°

• 90°

• 27°

• 31.5°