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A hemispherical bowl is made of steel 0.25 cm thick. The inside radius of the bowl is 5 cm. Find the volume of steel used in making the bowl.
Volume of a hemisphere = (2/3)πr3
Given, hemispherical bowl is made of steel 0.25 cm thick. The inside radius of the bowl is 5 cm.
Outer radius = 5 + 0.25 cm = 5.25 cm
Volume of steel used in the making of the bowl
⇒ Volume of steel used in the making of the bowl = 41.28 cm3