Question
Find the diameter of the sphere whose volume is 381(6/7)
m³.Solution
Volume of sphere =4/3 Ï€ r 3  4/3 Ï€ r 3 =2673/7 r 3 =2673×3)/22×4 =729/8 r =9/2 Diameter =9/2 ×2 =9mÂ
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