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A 20 m deep well with diameter 7 m. is d...

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

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VGS PUBLICATION-BRILLIANT-MENSURATION-EXERCISE
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  3. A 20 m deep well with diameter 7 m. is dug and the earth got by diggin...

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  4. A well of diameter 14m. is dug 15m. deep. The earth taken out of it ha...

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