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A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5 cm. Find the outer curved surface area of the bowl.

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Correct Answer - `173.25 cm^(2)`
Outer radius `= 5.25 cm = (525)/(100) cm = (21)/(4) cm`
Outer curved surface area `= (2 xx (22)/(7) xx (21)/(4) xx (21)/(4)) cm^(2) = 173.25 cm^(2)`

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