Find the volumn and surface area of a sphere of radius 28m.
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vol.=91952.32m
surface area=9852.03m
surface area=9852.03m
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Volume of sphere = 4/3 π r³
Therefore radius is given = 28cm
=> 4/3 × 22/7 × 28 ×28×28
for the remaining solution see the attachment
Surface area of the sphere
= 4πr²
= 4×22/7×28×28
= 9852.03
Therefore radius is given = 28cm
=> 4/3 × 22/7 × 28 ×28×28
for the remaining solution see the attachment
Surface area of the sphere
= 4πr²
= 4×22/7×28×28
= 9852.03
Attachments:
sonu1432:
wrong it is 4/3πr³
Come on see i have done it right
hmm it is right
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