Question

Find the diameter of a circle whose circumference is 264 cm

Answer 1

2pier=264
Pier=264/2
22/7*r=132
22r=132*7
R=132/22*7
R=42

Answer 2

given,circumference=264cm
2*22/7*r=264cm
44r=1848
r=42cm
d=42*2=84cm