A well is dug 20 m deep and it has a diameter of 7 m. The earth which is so dug out is spread out on a rectangular plot 22 m long and 14 m broad. What is the height of the platform so formed?

Question

Philoid · Accepted Answer

Given,

Depth of well = 20m

Diameter of well = 7 m

Radius of well =

Dimension of rectangular field = 22m × 14m

so,

Amount of earth dug out from well =

when this earth is spread on rectangular field:

Then height of platform formed on rectangular field =