math

The well is dug 14m deep. Its radius is 2m. The earth dug out is evenly spread out on a rectangular field of dimensions 10m*4m. Find the height of the platform raised.

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asked by aditi
  1. what platform?

    volume = area * height = 40h

    the well's volume is pi r^2 h = 56pi

    so, 40h = 56pi

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    posted by Steve

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