Question

5. A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kilolitres?
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Answer 1

Answer:

r = 3.5/2m

h= 12m

volume of cone= 1/3πr^2h

=1/3×22/7×3.5/2×3.5/2×12

=4×22/7×3.5/2×3.5/2

=11×3.5=38,5=m^3

1m^3=1kilolitre

capacity=38.5kl