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Question -

A tent is in the form of a right circular cylinder surmounted by a cone. The diameter of cylinder is 24 m. The height of the cylindrical portion is 11 m while the vertex of the cone is 16 m above the ground. Find the area of the canvas required for the tent.



Answer -

Diameter of the cylindrical portion = 24 m 24
∴ Radius (r) = 24/2 = 12 m
Height of cylindrical portion = 11 m
and total height = 16 m
 
∴ Height of conical portion = 16 – 11 = 5 m
∴ Slant height of the conical portion (l)

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