Question

if the surface area of a sphere is 676 CM square then find its radius​

Answer 1

Surface Area = 4πr square

676 = 4 * 22/7 * r square

676 * 7 / 4 * 22 = r square

860.3636 = r square

√860.3636 = r

29.33 = r

Answer 2

13 cm is the radius