Question

7. A rectangular field is 32 m long and 22 m wide. In
the middle of the field, a cemented circular water
pond has to be made. A round pit of radius 4m and
26 cm deep is dug out to make the pond. If the earth
is spread over the remaining field, by how much will
the level of the field increase?​

Answer 1

Answer:

$l \times b \\ is \: the \: formula$