Math, asked by seemachib6377, 1 year ago

A 20m deep well with diameter 7m is dug and the earth from digging is evenly spread out to form a platform 22 m by 14 .find the height of platform

Answers

Answered by blackhammers
1
22 is the correct answer
Answered by brainlly001
5

Answer:

Step-by-step explanation:

Step-by-step explanation:

Depth of well = 20m

Diameter= 7m

Radius =7/2= 3.5 m

DiMensions of cuboid÷

Length= 22m

Breadth=14m

Height=?

Now,

Volume of cylindrical well= volume of cuboidal embankment

On solving

We obtain,

H= 770/ 22×14

H= 5/2= 2.5m

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