A well of diameter 4 m is dug 21 m deep. The earth taken out of its has been spread evenly all around it in the shape of a circular ring of width 3 m to form an embankment. Find the height of the embankment.
Open in App
Given, Diameter =4 m
Radius =2 m h=21 m
Volume of soil dug from well = volume of earth used to form embankment