The area of the curved surface of a cone is 195π cm². If the slant height of the cone is 12 cm, find the radius of the base.

Correct option is D

Given:

Curved surface area (CSA) of cone = 195π cm²

Slant height l = 12 cm

Formula Used:

Curved surface area (CSA) of cone = πrl

Solution:​

Now, 

195π = π × r ×12

195 = 12r

r = $$\frac{195}{12}$$​ = 16.25

Thus, The radius of the base is 16.25 cm.