A hemispherical tank is made of an iron sheet 1cm thick. If the inner radius is 1m , then find the volume of their on used to make the tank
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Answer:
Given:
⇒Inner radius r
l
=1m=r
1
⇒Thickness =1cm=0.01m
⇒Outer radius =1+0.01=1.01m=r
0
⇒Volume of iron used
=
3
2
π(r
0
2
−r
l
2
)
=
3
2
×
7
22
×((1.01)
3
−(1)
3
)
=0.0634cm
3
Step-by-step explanation:
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