Question

Find the volume of the sphere who's surface area is 154sq cm??

Answer 1

Answer:

539cm3

Step-by-step explanation:

154=4×22/7×r×r

154×7/4×22=r×r

7×7/4=r×r

49/4=r×r

12.25=r×r

r=3.5

volume=4×22/7×3.5×3.5×3.5

=538.51