WAEC - Mathematics (2022 - No. 37)

Find the correct to two decimal places, the volume of a sphere whose radius is 3cm. [Take π = \(\frac{22}{7}\)]
72.57cm\(^3\)
88.12cm\(^3\)
10529cm\(^3\)
113.14cm\(^3\)

Explanation

Volume of sphere =  \(\frac{4πr^3}{3}\) →  \(\frac{4 x 22  x 3^3}{3}\)

=  \(\frac{792}{7}\)

= 113.14cm\(^3\)

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