Question

The volume of a sphere is 4.851 cm³. Find its surface area.
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Answer 1

Solution

Volume of sphere =4/3πr³

=4851.

4/3πr³ = 4851

r³=4851×3×1π

4

r³=1157.625

r=10.5

surface area of sphere=4πr²

=4×22×10.5×10.5

7

=1386 sq.m