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 Triangular Billiard Table (Posted on 2005-05-12)
We have a billiard table in the shape of a right triangle ABC with B the right angle. A cue ball is struck at vertex A and bounces off sides BC, AC, AB, and AC at points D, E, F, and G respectively ending up at vertex B. Assume the angle of incidence equals the angle of reflection at each bounce. If the path segments AD, EF, and GB are concurrent, then what is the tangent of angle BAD?

 See The Solution Submitted by Bractals Rating: 2.5000 (2 votes)

 Subject Author Date Answer K Sengupta 2008-10-16 02:04:00 re(3): My Efforts Charley 2005-05-14 04:48:25 corrected program Charlie 2005-05-14 03:57:21 re: Method -- Solution, if I've done the trig right Charlie 2005-05-12 20:51:37 re(2): My Efforts Charley 2005-05-12 20:21:42 Method Charlie 2005-05-12 19:12:51 What I've found Jer 2005-05-12 18:44:13 re: My Efforts Jer 2005-05-12 18:10:48 My Efforts Charley 2005-05-12 17:48:49

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