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प्रश्न
Find the volume of a cylinder, the diameter of whose base is 7 cm and height being 60 cm. Also, find the capacity of the cylinder in litres.
योग
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उत्तर
Given:
Diameter, d = 7 cm
Radius, r = 3 . 5 cm
Height, h = 60 cm
\[\text{ Volume of the cylinder, V }= \pi r^2 h\]
\[ = \frac{22}{7} \times 3 . 5^2 \times 60\]
\[ = 2310 {cm}^3 \]
\[\text{ Capacity of the cylinder in litres }= \frac{2310}{1000} \left( 1\text{ litre }= 1000\text{ cubic cm }\right)\]
\[ = 2 . 31 L\]
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