Question

a well of inner diameter 14 M is dug to a depth of 12 m Earth taken out of it has been evenly spread all around it to a width of 7 M and to form an embankment find the height of the embankment so formed
pls help me i will give u brainly list ​

Answer 1

Answer:

4 m

Step-by-step explanation:

Let of embankment be height

Volume of Embankment=Volume of earth taken out from well

pi(R²-r²)h=pi×r

[(7²+7²)-7²]h=7²×12

h=(49×12)÷(196-49)

h=4m