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प्रश्न
The diameter of a sphere is 14 cm. Its volume is
विकल्प
1428 cm3
1439 cm3
`1437 1/3 "cm"^3`
1440 cm3
उत्तर
`1437 1/3 "cm"^3`
Volume of the sphere`=4/3 pi"r"^3`
`= (4/3xx22/7xx7xx7xx7) "cm"^3 ["d" = 14 "cm" => "r" = 14/2 "cm" = 7 "cm"]`
`=4312/3 "cm"^3`
`=1437 1/3 "cm"^3 `
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