21. The volume of a sphere is 9052 cm? 7 Determine its diameter.
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Step-by-step explanation:
Volume of a sphere = 905 1/7
4/3 πr3 = 6336/7
r3 = 6336 × 7 × 3/4 × 22 × 7
r³ = 216
r=√216
r=6
∴ Diameter of a sphere = 2r = 2 × 6 = 12 cm.
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