Question

Find radius of the circle if an arc of 120° has length of 24π cm

Answer 1

Answer:

Step-by-step explanation:length of an arc=X/360*2πr

24π=120/360*2πr

24=1/3*2r

r=36

Answer 2

r = 36cm

l of an arc of angle = 120/360 x 2πr

24π = 120/360 x 2πr

24 = 1/3 x 2 r

24x3/2 = r

r = 36cm