Question

4. A well inner diameter 14m is dug to a depth of 15m. Earth taken out of it has been evenly spread all around it
to a width of 7m to from an embankment. Fin the height of the embankment so formed.
​

Answer 1

Answer:

Given

Width of embankment =7 m

Inner radius r=7 m

Outer radius R=7+7=14 m

Volume of earth dug out = Volume of soil embankment

πr

2

H=πh(R

2

−r

2

)

7

2

×12000=h(14

2

−7

2

)

588000=h×147

h=

147

588000

h=4000m

Hence, height of the embankment is 4000m.

Step-by-step explanation:

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