Question

Find the CSA of a right circular cylinder whose height and radius of base are 30 cm and 3.5cm Respectively.

Answer 1

C. S. A of Cylinder
$= 2\pi \: rh \\ = 2 \times \frac{22}{7} \times 30 \times \frac{35}{10} \\ = 660 {cm}^{2}.$




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