Surface area of a sphere is 394.24 sq. cm. Find its volume.
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Surface area of a sphere is 394.24 sq. cm. Find its volume.
plz and fast
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Answer:
V=4/3πr3
Explanation:
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Verified answer
Surface area of sphere = 394.24 sq cm
4πr^2 = 394.24
r^2 = 394.24/4π
r^2 = 31.37
r = √(31.37)
r = 5.6 cm
Volume = 4/3πr^3
= 4/3 × 3.14 × (5.6)^3
= 4/3 × 551.71
= 733.78 cu cm.
Hence, volume of sphere = 733.78 cm^3