Question

find the diameter of a circle whose circumference is 264

Answer 1

circumference of circle= 2 πr
2πr = 264
2 × 22/7 ×r = 264
r = 42 cm ...

diameter= 2 × radius = 84 cm answer

Answer 2

circumference=2πr
264=2×22/7×r
264×7/44=r
1848/44=r
42=r
now 2 r=d
2×42=d
84=diameter