oh well with 14 inside diameter is a dog 50 metre deep or taken out of it spread all around of a rectangular field of the length 110m and with hundred metre find the increase in the height of the field
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Answer:
Step-by-step explanation:
volume of earth taken out = πr²h
= 22/7 × 14 × 14 × 50
= 22 × 2 × 14 × 50
= 30800
30800 = l × b × h of rectangular field
30800 = 110 × 100 × h
h = 30800 / 110 × 100
= 308 / 11
= 28 m
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