Question

The volume generated by the revolution of the cardioid $r = a(1-\cosθ)$ about its axis is:

• A. $\frac{8}{3}\pi a^3$
• B. $\frac{4}{3}\pi a^3$
• C. $\frac{2}{3}\pi a^3$
• D. $\frac{16}{3}\pi a^3$

Answer 1

Answer: (A)

$\frac{8}{3}\pi a^3$

Answer 2

The correct option is(A):$\frac{8}{3}\pi a^3$.