Question

If a circle has a central angle of 2π/3
and a radius of 27 millimeters, how long is the arc formed by that angle?(1 point)

5π/18 mm

15π mm

18π mm

67.5π/2 mm

Answer 1

Arc length = r·θ = 27·(2π/3) = 18π mm, so the correct choice is 18π mm.