Question

What is the length of an arc that subtends an angle of 60° at the centre of radius ½m?

a) 0.5238 b) 0.53
c) 0.357 d) 0.25

Pls help!!!!!​

Answer 1

C = pi x d = 1 x pi = pi

360/60 = 6

So length of arc = 1/6 of pi = 0.52m (2 do)