A well of diameter 3m is dug 14m. The earth taken out is evenly spread is shape of circular ring of width 4m. Find height of embankment.
(40 pointer question!!!!)
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Answered by
3
1.125m is the embarkment
Lel:
In starting it will be 99 instead of 66 as you have done 14/2=2 Instead of 7.
exactly...its my mistake.Sorry!
do not feel bad bro . mistake tho sabji se hoti hai
sabji?
vo to me khata hu
Answered by
6
let the height of embankment h metre
then volume of embankment is equal to volume of earth taken out
= 22/7 ×1.5 ×1.5 ×14 = 22/7 (5^2 -1^2) h
= 2.25×14 = 24h
= 24h = 31.50
h = 1.3125 m
then volume of embankment is equal to volume of earth taken out
= 22/7 ×1.5 ×1.5 ×14 = 22/7 (5^2 -1^2) h
= 2.25×14 = 24h
= 24h = 31.50
h = 1.3125 m
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