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9. A pit 5 m long and 3.5 m wide is dug to a certain depth. If the volume of earth taken out of it is 14 m cubewhat is the depth of the pit ? |
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Answer» R.E.F IMAGE l=5m,w=3.5m 3
volume =l×b×h 14=5×3.5×h ∴h= 5×3.5 14
=0.8m ∴ height of the pit =0.8m |
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