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A tent consists of frustum of a right circular cone capped by a right circular cone. Find the area of canvas required for the tent. The radii of the ends of the frustum are 15 cm and 9 cm. The height of the frustum is 8 cm and slant height of conical cone is 10 cm.

Solution

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Ans. 330 cm²

Some More Questions From Statistics Chapter

A vessel is in the form of an inverted cone. Its height is 8 cm and the radius of its top, which is open, is 5 cm. It is filled with water up to the brim. When lead shots, each of which is a sphere of radius 0.5 cm are dropped into the vessel, one-fourth of the water flows out. Find the number of lead shots dropped in the vessel.

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