QUESTION 162
The lateral surface area of a cone with base radius 3 cm and slant height 5 cm is
(A) $10\pi$ cm$^2$
(B) $12\pi$ cm$^2$
(C) $15\pi$ cm$^2$
(D) $18\pi$ cm$^2$
(E) $20\pi$ cm$^2$
QUESTION 162

The lateral surface area of a cone with base radius 3 cm and slant height 5 cm is

(A) $10\pi$ cm$^2$

(B) $12\pi$ cm$^2$

(C) $15\pi$ cm$^2$

(D) $18\pi$ cm$^2$

(E) $20\pi$ cm$^2$