Question

Set up and integrate the integral that find the volume of a right circular frustum with height h, lower base radius R, and top radius r.

Answer 1

rotate the region about the y-axis, disc method

Answer 2

^ ur sucha baws :'l

Answer 3

\[\int\limits_{0}^{h}\pi[f(y)]^2dy\]

Answer 4

just find the equation of the line, expressed in the form x = f(y)

Answer 5

how can i find the equation of that line when nothing is given cept (r,h) ???