if thickness of a bowl is 1.5cm ,radius- 5cm ,find volume, plz answer ,take your time ,only correct answer will get to enjoy as brainliest answer
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3
Answer:
Inner radius =5cm
Volume of the inner hemisphere =
3
2
πr
3
=
3
2
×
7
22
×5×5×5=
21
5500
=261.90cm
3
Outer radius = Inner radius + Thickness of steel =(5+0.25)cm=5.25 cm
∴ Volume of the outer hemisphere =
3
2
πr
3
=
3
2
×
7
22
×(5.25)
3
=
16
4851
=303.19cm
3
∴ Volume of the steel used =(303.19−261.90)cm
2
=41.29cm
3
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