Arc and Angles

measure of arc PSR

• 161

• 71

• 199

• 109

• 270

• A

• B

• C

• D

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

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

• 150°

• 100°

• 210°

• 105°

What is the relationship between a central angle and its arc?

• The angle is half of the arc.

• The arc is half of the angle.

• The arc is smaller than the angle.

• They are congruent.

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

Find arc length

• 114π/5 ft

• 2850 ft

• 95π/6 ft

• 150π/19 ft