Question

Given A= πr²h, find r when π= 22/7, h=5, a=5​

Answer 1

$A = \pi r^{2} h$

5 = 22/7 * r^2 * 5

22/7r^2 = 1

22r^2 = 7

r^2 = 7/22

r = 0.5641

Hope it helps !