Friday
April 18, 2014

Homework Help: Help please with reflection problem!?

Posted by Knights on Friday, February 22, 2013 at 2:29pm.

A laser is shot from vertex A of square ABCD of side length 1, towards point P on BC so that BP = 3/4. The laser reflects off the sides of the square, until it hits another vertex, at which point it stops. What is the length of the path the laser takes?

Help?? Won't the laser bounce around until infinity?

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