Q5Multiple choiceExercise 13.1
The total surface area of a cone whose radius is and slant height 2l is
- (A)2πr (l + r)
- (B)πr (l + )
- (C)πr (l + r)
- (D)2πrl
Show answer
(B) πr (l + )
The total surface area of a cone whose radius is and slant height 2l is
(B) πr (l + )