Find the curved surface area of a cone of radius 3cm and slant height 7cm ((take pi = frac{22}{7})
-
A.
(22cm^2) -
B.
(44cm^2) -
C.
(66cm^2) -
D.
(132cm^2) -
E.
(198cm^2)
Correct Answer: Option C
Explanation
Curved surface area of a cone (= pi rt\
frac{22}{7}times 3times 7 = 66cm^2)