Question

The diameter of a cylinder is 18.5 cm and length is 6.1 m. Find the surface area of the curved surface.

Answer 1

Diameter of the cylinder = 18.5

Radius of the cylinder = 9.25

Length (height) = 6.1

Area of the curved surface =

$= 2\pi \: rh$

= 2× 3.14 × 9.25× 6.1

= 354.35 m

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