Question

For a circle with a radius of 6 feet, find the arc length of a central angle of 6 degrees.

A. 36nft
B. 3/5 pi ft
C. 2/5 pi ft
D. 1/5 pi ft

Answer 1

Arc length = angle*radius
Degrees to radians: multiply by pi/180
Arc length = (pi/180*6)*6 = 36/180*pi = pi/5.

The answer is D.