The surface area of a sphere is 346.5 CM square find its radius and hence its volume
Answers
Answered by
3
Answer:
r=5.25 and V=606.375cm³
Step-by-step explanation:
Surface area of sphere =346.5cm²
4πr²=346.5cm²
4*22/7*r²=346.5
r²=346.5/4*7/22
r²=2,425.5/88
r²=27.5625
r=√27.5625
r=5.25cm
Volume of the sphere =4/3πr³
=4/3*22/7*5.25*5.25*5.25
=4*22*5.25*0.75*1.75
=606.375cm³
Answered by
0
<B>Answer:<B>
r=5.25 and V=606.375cm³
<B>Step-by-step explanation:<B>
Surface area of sphere =346.5cm²
4πr²=346.5cm²
4*22/7*r²=346.5
r²=346.5/4*7/22
r²=2,425.5/88
r²=27.5625
r=√27.5625
r=5.25cm
Volume of the sphere =4/3πr³
=4/3*22/7*5.25*5.25*5.25
=4*22*5.25*0.75*1.75
=606.375cm³
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