Question

Find the arc length of the partial circle.

Either enter an exact answer in terms of pi or use 3.14 for pi and enter your answer as a decimal.

Answer 1

6π

Explanation:

right on khan

Answer 2

Answer:7.5π

Explanation:

Φ=360-90

Φ=270

Radius=r=5

Length of arc=Φ/360 x 2 x π x 5

Length of arc=270/360 x 2 x π x 5

Length of arc=0.75 x 2 x π x 5

Length of arc=7.5π