Question

The volume of a sphere is 524cm³.The diameter of sphere is
a. 5cm
b. 4cm
c. 3cm
d. 7cm​

Answer 1

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Volume of sphere = 4 πr³ / 3

Given,

Volume of sphere = 524 cm³

4πr³ / 3 = 524 cm³

r³ = ( 524 * 3 * 7 ) / ( 22 * 4 )

r³ = ( 131 * 21 / 22 )

$r = \sqrt[3]{2751 \div 22}$

2r = 10.0025

diameter = 10 cm

radius = 5cm

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