Surface area of a sphere is
square inches.

(Divide each side by
)
(Cancel common terms)
(Divide:
)
(Apply square root each side )
Find the volume of a sphere (V):
\
(Volume of a sphere)
(Substitute
)
(Evaluate powers)
(Multiply:
)
(Divide:
)
(Substitute
)
(Multiply:
)
The volume of a hemisphere is approximately 11488.2 cubic inches.