Q7Short answerExercise 12.2
The curved surface area of a frustum of a cone is πl (r 1 +r 2 ), where l = h 2 + ( r1 + r2 )2 , r1 and r2 are the radii of the two ends of the frustum and h is the vertical height.
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False
The curved surface area of a frustum of a cone is πl (r 1 +r 2 ), where l = h 2 + ( r1 + r2 )2 , r1 and r2 are the radii of the two ends of the frustum and h is the vertical height.
False