Question

Arc AB is One-sixth of the circumference of a circle. What is the radian measure of the central angle?

Answer 1

B.

Explanation:

Answer 2

1/3 π

Explanation:

θ (radian measure of central angle) = s (length of subtend arc) / r (radius)

θ = (1/6 x 2πr) / r = 1/3 πr / r = 1/3 π