• # question_answer The diameter of a cone is 14 cm and its slant height is 9 cm. Find the area of its curved surface A)  128 $c{{m}^{2}}$                B)  110 $c{{m}^{2}}$        C)  198 $c{{m}^{2}}$D)  200 $c{{m}^{2}}$

(c): Curved surface area $=\pi rl$ $\frac{22}{7}\times 7\times 9$ = 198.