Arc Length of Circles

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

• 7/4π

• 7/2π

• 1/8π

• 45π

The distance along an arc measured in linear units.

• area of a sector

• arc length

• arc of a circle

• sector of a circle

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

• 7/4π

• 7/2π

• 1/8π

• 45π

Find the length of the bold arc.Leave pi in your answer.

• 5688π ft

• 15.8π ft

• 150.4π ft

• 54,150 ft

Find the arc length of a circle with a radius of 15 cm and a central angle of 90 degrees.

• 20π cm

• 15π cm

• 30π cm

• 10π cm

Find the arc length of a circle with a radius of 10 cm and a central angle of 60 degrees.

• 10pi/3 cm

• 5pi cm

• 15pi/2 cm

• 20pi/3 cm

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

• 7/4π

• 7/2π

• 1/8π

• 45π

What is the length of arc BB'?

• 30pi

• 1/3

• 10pi

• 4/3pi

Find the length of the highlighted arc from

point A to point B . Write your answer in terms of π, do not include the units.

Mathematical Equivalence

ON