How many cubic metres of soil must be dug out to make a well 20 metres deep and 2 metres in diameter...

Question

How many cubic metres of soil must be dug out to make a well 20 metres deep and 2 metres in diameter

Accepted Answer

Solution The capacity of a cylinder is measured by its volume which determines how much material it can carry Given diameter of the well d 2 m Radius r d2 22 1 m Depth of the well h 20 m Volume of the well V rsup2suph 2271sup2sup20 6285 msup3sup Hence the amount of soil dug out to make the well is 6285 msup3sup

ML Aggarwal Solutions Class 10 Mathematics Solutions for Mensuration Exercise 17.1 in Chapter 17 - Mensuration