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
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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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