Question

Find the radius of acircle whose circumference is 176 cm.

Answer 1

Circumference of the circle = 2 pie r

176= 2 * 22/7* r

r=176*7/44

r=28

Answer 2

radius =r cm
circumference =2*pi*r
2*pi*r=176
r=176*7/22*2
r=28 cm