9. A well with 14 m inside diameter is dug
50 m deep. Earth taken out of it is spread
all around a rectangular field of length 110 m
and width 100 m. Find the increase in the
height of field.
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Answer:
0.7m
Step-by-step explanation:
volume of cylinder = volume of cuboid
22/7*7*7*50=110*100*height
height= 22*7*50/110*100
height=0.7m
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