Question

A well with 10m inside diameter is dug 14m deep. Earth is taken out of it is spread all around to the width of 5m to form a embankment. Find the height of the embankment?​

Answer 1

Answer:

this is your answer

Step-by-step explanation:

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Answer 2

Answer:

Answer:

3.5 m

Step-by-step explanation:

Diameter of well = 10 m

Radius of well = \frac{Diameter}{2}=\frac{10}{2}=5 m2Diameter=210=5m

Depth of well = 14 m

Volume of well = \pi r^2 hπr2h

                         = \frac{22}{7} \times 5^2 \times 14722×52×14

                         = 1100 m^31100m3

Earth taken out of it is spread all a round to a width of 5m to form an embarkment.

Radius of embarkment. = 5 m + 5 m = 10 m

let the height of embankment be h

Volume of embankment = \pi r^2 hπr2h

                                        = \frac{22}{7} \times 10^2 h722×102h

Since Earth taken out of it is spread all a round to a width of 5m to form an embarkment. So, volume of well = Volume of embankment

So,1100=\frac{22}{7} \times 10^2 h1100=722×102h

1100 \times \frac{7}{22} \times \frac{1}{10^2}=h1100×227×1021=h

3.5=h3.5=h

Step-by-step explanation:

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