well of inner diameter 14 M is Doug to a depth of 15 M the earth taken out of it has been evenly spread all around it to a weight of 7 m to form an embankment find the height of the embankment so formed
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inner radius= 7m
height= 15m
area of earth dug out= πr2h
= 22/7 ×7×7×15
=2310m2
area of embankment=πR2- πr2
=π196- π49
= 147π
=462m2
height of embankment= volume of earth dug out/area of embankment
height= 2310/462
=5 m
HOPE IT HELPS YOU
height= 15m
area of earth dug out= πr2h
= 22/7 ×7×7×15
=2310m2
area of embankment=πR2- πr2
=π196- π49
= 147π
=462m2
height of embankment= volume of earth dug out/area of embankment
height= 2310/462
=5 m
HOPE IT HELPS YOU
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