A hemispherical tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank.

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Solution

Inner radius (r₁) of hemispherical tank = 1 m

Thickness of hemispherical tank = 1 cm = 0.01 m

Outer radius (r₂) of hemispherical tank = (1 + 0.01) m = 1.01 m

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Q. A hemisphere tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank.

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A hemispherical tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m, then find the volume of the iron used to make the tank.

Inner radius (r1) of hemispherical tank = 1 m Thickness of hemispherical tank = 1 cm = 0.01 m Outer radius (r2) of hemispherical tank = (1 + 0.01) m = 1.01 m

Inner radius (r₁) of hemispherical tank = 1 m

Thickness of hemispherical tank = 1 cm = 0.01 m

Outer radius (r₂) of hemispherical tank = (1 + 0.01) m = 1.01 m