Question

find the diameter of circle whose circumference is 35.2cm

Answer 1

As we know that the,

Circumference=2 π r

35.2 = 2 x 3.14 x r

35.2 = 6.28 x r

35.2 / 6.28 = r

r = 5.6 cm

diameter = 2 x r
= 2 x 5.6
=11.2 cm