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