a 10m deep well with diameter 1.4 is dug up in a field and the earth from digging is spread up evenly on the rectangular field the length of the field are 55cm and 14 m respectively find the thickness of the earth layer spread
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10
Diameter = 1.4 m
Radius = 0.7 m.
Height h = 10 m.
volume of cylinder = πr²h
=> 22/7 * 0.7² * 10
=> 15.4 m³
Then,
Volume of cuboid = l * b * h
=> 55 * 14 * h
Now,
Volume of cylinder = volume of cuboid
=> 15.78 = 55 * 14 * h
=> h = 0.02 m.
Hence, Thickness of the earth layer = 0.02 m.
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7
Answer:
height or thickness of rectangular field h= 0.02m or 2cm
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