A hemispherical tank is made up of an iron sheet
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A hemispherical tank is made up of an iron sheet 1cm thick.If the inner radius is 1m,find the volume of the iron used to make the tank.
Answered by admin @
Answer:
63487.81 cm³
Step-by-step explanation:
Find the outer radius:
Outer radius = 1 m + 1 cm
Outer radius = 100 cm + 1 cm
Outer radius = 101 cm
Find the volume of the iron:
Volume = 2/3 π(r1³ -r2³)
Volume = 2/3 π(101³ -100³)
Volume = 63487.81 cm³ (or 0.06 m³)
Answer: 63487.81 cm³
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