7. Five marks exercise problem I

A \(14\) \(m\) deep well with inner diameter \(10\) \(m\) is dug and the earth taken out is evenly spread all around the well to form an embankment of width \(5\) \(m\). Find the height of the embankment.

 

Answer:

 

The height of the embankment \(=\)  \(m\)