This question is from r d sharma class 10 maths.
I found this question while doing maths class 10.
I need help in getting the solution.
In this question we have to find the height of the embankment
from a well with inner radius 4 m is
dug up and 14 m deep. Earth taken out of it has spread evenly
all around a width of 3 m it to form an embankment.