Question

If the surface area of a sphere if 784pi the find tbe radius

Answer 1

Answer:

radius is 14 units

given , surface area of sphere = 784π

we know that , surface area of sphere = 4πr²

so , 4πr²= 784π

4r²=784

r²=196

r= √196

r = radius = 14 units

HOPE IT HELPS....