The slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone?
Choose the correct choice from the following:  A) 87  B) 26  C) 48  D) 37  E) 20
π * 12 * 4   = 48   Answer:48
<result>C</result>
The slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone?