Question

the conical pit of the top diameter 3.5 metre and 12 metre deep what is the what is its capacity kilo litres ​

Answer 1

Step-by-step explanation:

$d = 3.5m \\ r = \frac{35}{20 } \\ h = 12 \\ vol.of \: conical \: pit = \frac{1}{3} \pi {r}^{2} h \\ = \frac{1}{3} \times \frac{22}{7} \times \frac{35}{20} \times \frac{35}{20} \times 12 \\ = 38.5 {m}^{3} \\ 1 {m}^{3 } = 1kl \\ = 38.5kl$

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