An agricultural field is in the form of a rectangle of length 20m width 14m. A 10m deep well of diameter 7m is dug in a corner of the field and the earth taken out of the well is spread evenly over the remaining part of the field.find the rise in its level
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Answer:
l= 20 m
b=14 m
volume of earth taken : 22/7 * 3.5 * 3.5 * 10
= 385 meter square
volume of earth dug= volume to cuboid formed by the rise
385= 20* 14 *h
h= 385/20*14
h= 1.375 meters
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