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The diameter of a right circular cylinde...

The diameter of a right circular cylinder type bucket is 21 cm and its height is 40 cm. The bucket is full of sand. If the sand is poured on the ground it forms a circualr cone of height 15 cm. Find the area of the ground on which the sand cone stands. `(pi=(22)/7)`

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The correct Answer is:
`2772cm^2`
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