The slant height of a cone is 10 cm and radius of the base is 5cm, find the curved surface of the cone? Choose the correct answer:
A) 150
B) 155
C) 158
D) 157
E) 190
π * 10 * 5   = 157   Answer:157
<result>D</result>
The slant height of a cone is 10 cm and radius of the base is 5cm, find the curved surface of the cone?