Question

A platform with dimensions 22m×14m×2.5m is formed from the earth digging the well with diameter 7m. Find depth of well

Answer 1

Answer:

the depth of the well is 35m.

Step-by-step explanation:

volume is conserved ie .

volume of the platform=volume of the earth dug out of well:)

volume of earth dug is :

2πrh

r=3.5m

h=unknown

also volume of platform is

22*14*2.5

so now

2*3.5*h*22/7=22*14*2.5

h=35m

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