Answers

2016-03-14T19:01:20+05:30
Radius=5m
depth=14m
volume of earth dug out=
(22/7×5×5×14)m^3
=(44×25)m^3
=1100m^3
width=5m
exrernal radius=5+5=10m
internal radius=5m
area of embankment=
22/7×[(10^2)-5^2]m^2
22/7×(100-25)m^2
(22/7×75)m^2
(1650/7)m^2
so,height=(1100/1650/7)m
=(14/3)m
=4.67m
1 5 1