Question

A cone of radius 3 cm and slant height 5 cm has curved surface area of ___ $c{m}^2$.

• A. 13$\pi$
• B. 14$\pi$
• C. 15$\pi$
• D. 16$\pi$

Answer 1

The correct option is C

15$\pi$

C.S.A of cone =$\pi$ rl

C.S.A of cone = $\pi$ $\times$ 3 $\times$ 5 = 15$\pi$ ${cm}^2$.