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Grade: 12th pass
        
Sir, please help me with one more question which is mentioned below:-
4 months ago

Answers : (1)

Aditya Gupta
1730 Points
							
the answer would be 400/sqrt(91)
basically, you will have to transform the cone into a circular arc and then use the fact that shortest distance between A and B would be a straight line. note that the arcs angle wwould be 120 deg or 2pi/3. then, use cosine rule to determine length of AB, which you can find out to be AB= 10sqrt(91). further, note that downhill portion will start to the left of the perpendicular dropped from the centre of circular arc. so, again use pythagoras theorem to find out the length of this portion= 400/sqrt(91)
kindly approve :)
4 months ago
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