Question

IF THE CIRCUMFERENCE OF A CIRCLE IS 33CM,FIND ITS RADIUS

Answer 1

$circumference = 2\pi \: r$
33 cm=2×22/7 ×r
33 cm×7/44= radius
5.25 cm = radius.

Answer 2

Circumference of circle = 33 cm
2πr = 33 cm
2 × 22/7 × r = 33
r = 33 × 7/ 2 × 22
r = 5.25 cm
Ans. radius of circle = 5.25 cm