Question

The radii of the ends of a bucket of height $24cm$ are $15cm$ and $5cm$. Find its capacity. (Take $\pi =22/7$)

Answer 1

Capacity of bucket$=\frac{1}{3}\pi h(R^2+r^2+Rr)=\frac{1}{3}\times \frac{22}{7}\times 24({15}^2+5^2+15\times 5)$

$=\frac{176}{7}\times 325=8171.43c{m}^2$