The surface area of a sphere is 5544 cm2, find its diameter. – InterviewSolution

1.

The surface area of a sphere is 5544 cm2, find its diameter.

Answer»

Surface area of a sphere is 5544 cm²

Surface area of a sphere = 4πr²

So, 4πr² = 5544

4 x \(\frac{22}{7}\) x (r)² = 5544

r² = \(\frac{(5544 \times 7)}{88}\)

r² = 441

or r = 21 cm

Now, Diameter=2(radius) = 2(21) = 42 cm

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