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A 20m deep well with diameter 7m is dug and the earth from digging is evenly spread out to form a platform 22m by 14m.

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asked Feb 8, 2018 in Mathematics by Kundan kumar (49,132 points) ● 34 ● 381 ● 1015

A 20m deep well with diameter 7m is dug and the earth from digging is evenly spread out to form a platform 22m by 14m. Find the height of the platform.

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answered Feb 8, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 21
 
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Now the volume of-thc platform =Volume of the earth dugout from the cylindrical well.

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