The radius of a cone is 14 m, slant height is 20 m. Find the curved surface area?
Select.
A) 770	B) 550	C) 110	D) 880	E) 330
Cone curved surface area = πrl   22/7 × 14 × 120 = 44 × 20 = 880 m(power2)   Answer is 880.
<result>D</result>
The radius of a cone is 14 m, slant height is 20 m. Find the curved surface area?