Find the curved surface area of a cone with circular base diameter 10 cm and height 12 cm
- 25 πcm2
-
65 πcm2
- 120 πcm2
- 156 πcm2
The correct answer is: B
Explanation
L2 = 122 + 52= 144 + 25
= 169
L = √169
= 13
Curved surface Area = πrL
= 5/1 * 13/1 * π
= 65πcm2