Arc Length Application

Circle A has a radius of 8 cm. The measure of central angle CAB is 2.5 radians. What is the length of the intercepted arc CB?

• 20 cm

• 16.5 cm

• 8.5 cm

• 3.2 cm

• 1

• 2

• 0

Jacob jogs on a circular track that has a radius of 142 feet. He runs from point T to U, which is 320 feet. To the nearest tenth of a radian, find the measure of arc TU.

• 2.3 radians

• 0.4 radians

• 2.2 radians

• 4.5 radians

What is the length of arc BB'?

• 30pi

• 1/3

• 10pi

• 4/3pi

Find the arc length of the bolded arc in the picture. (write in terms of pi)

Mathematical Equivalence

ON

The minute hand on the clock at the City Hall in Stratford measures 2.2 meters from the tip to the axle. What distance does the tip of the minute hand travel from 7:07 am to 7:43 am? Round to the nearest tenth.

• 8.3 meters

• 79.2 meters

• 16.4 meters

• 5.8 meters

• A

• B

• C

• D

• A

• B

• C

• D