find the volume and surface area of sphere of radius 4.2cm
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Question : Find the volume and surface area of sphere of radius 4.2 cm
ANSWER :
Radius = 4.2 cm
Volume of sphere :- 4/3 π r³
= 4/3×3.14×4.2³
= 4.18×4.2³
= 310.18 cm³
Now,
Surface area of sphere :- 4πr²
= 4×3.14×4.2
= 221.55 cm²
Here is your answer .
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