A well of diameter 2 m is dug 14 m deep, The earth taken out of it is spread evenly all around it to form an embankment of height 40 cm. Find the width of the embankment.
A well with inner radius 4 m is dug 14 m deep. Earth taken out of it has been spread evenly all around a width of 3 m it to form an embankment. Find the height of the embankment.
A well with 14 m diameter is dug 8 m deep. The earth taken out of it has been evenly spread all around it to a width of 21 m to form an embankment. Find the height of the embankment.