Question

the length of arc AB is 6pi and the measure of arc AB=60 degrees. What is the diameter of the circle?

Answer 1

36

Explanation:

Arc = rad * radius
radius = arc/rad
given, arc = 6π
rad = 60 * π/180 = π/3 rad
radius = 6π / (π/3)
= 6π * 3/π
= 18
Diameter = 2 * radius
= 2*18
= 36