Afly is there 1 feet below the ceiling right across a wall lengthis 30m at equal distance from both the ends. There is a spider 1 feetabove floor right across the long wall eqidistant from both the ends.If the width of the room is 12m and 12m, what distance is to be travelled by the spider to catch the fly? if it takes the shortest path.?plz tell the approach also

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Rasheel

  • Oct 6th, 2006
 

imagine a rt angle triangle

whose ht and breadth

sides r 12,28 where spider and fly at the extremeties of hypotenues.

now we have to find hypotenues=sqrt(144+784).

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