MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Total Surface Area of a Cuboid

A well 14 m i...

Question

A well 14m inside diameter is dug 15m deep. Earth taken out is spread all around to a wridth of 7m to form a embankment. Find the height of the embankment.

Open in App

Solution

Vol of earth taken out= πr²h = (22/7)77*15= 2310 m³
Area of the embankment = π(R²-r²)
Width of embankment= 7 m. So R= 7+7= 14 m
Area= (22/7)(14²-7²)= 462 m²
Therefore, height of embankment= 2310 m³/462 m² = 5m

Suggest Corrections

thumbs-up

78

Similar questions

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

A well with 10 m inside diameter is dug 14m Deep Earth taken out of it is spread all around to a width of 5m to form an embankment

Q. A well of diameter 4 m is dug 14 m deep. The earth taken out is spread evenly all around the well to form a 40 cm high embankment. Find the width of the embankment.

10 m

inside diameter is dug

14 m

deep. Earth taken out of it is spread all around to a width of

5 m

to form an embakment, the height of the embankment is ________.

Q. A well of diameter 4 m is dug 14 m deep the earth taken out is spread evenly all around the well to form embankment .find the width of enbakment.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Total Surface Area of a Cuboid

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Total Surface Area of a Cuboid

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon