Question

(6)A conical pit of diameter 3.5 m is 12 deep what is capacity in kilolitres?
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Answer 1

capacity=volume

given-

d=3.5m

r=35/20

h=12m

V=1/3πr^2h

V=1/3×22/7×35/20×35/20×12

V=11×35/10

V=385/10

V=38.5m^3

1m^3=1kilolitre

38.5m^3=38.5kilolitre