Plplease answer my question
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Step-by-step explanation:
we have'
volume of the earth taken out of well = volume of a cylinder of radius 7/2m and h=20m
= 22/7*7/2*7/2*20= 770m3
let the height raised of 22*14m platform be equal to h metres
volume of the earth in plat form= volume of earth taken out of well
22*14*h =770
h=770/220*14
=5/2=2.5m
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