Exercise Problems VIII — task. Mathematics CBSE, Class 9.

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A hemispherical bowl is made of steel,

$0.25 cm$ thick. The inner radius of the bowl is

$5cm$ . Find the outer curved surface of the bowl. (Assume

$π =\frac{22}{7}$ )

Outer curved surface area of the bowl:

$155.45 cm^2$
$173.25 cm^2$
$125.26 cm^2$
$185.62 cm^2$

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