Question

if the radii of the circular ends of a conical bucket in the shape of frustum of a cone which is 45cm high are 28cm and 7cm.find the capacity of the bucket in litres

Answer 1

v = pi/3 (r^2+R^2+rR)h
= pi/3 (28^2+7^2+28*7)*45
= 15435 pi

Answer 2

15435