HEY!!
A well is to be dug with 4 m inside diameter and 10 m in depth find the quantity of earth to be excavated.The earth taken out is spread all around to a height of 4 m to form an embankment find the height of the embankment.(YOU CAN'T GIVE ANSWER)
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earth dug =volume of cylinder
=22/7×4×14
=176
=22/7×4×14
=176
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72ab + 21a³b³ + 53a³ and -23ab + 17a²b³ + 5a
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