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Isosceles Right Triangles (Posted on 2005-10-19) Difficulty: 3 of 5
Let BAC be an arbitrary triangle with external squares ABIJ, BCKL, and CAMN. IBLP, KCNQ, and MAJR are parallelograms. Prove that PAQ, QBR, and RCP are isosceles right triangles.

See The Solution Submitted by Bractals    
Rating: 3.2500 (4 votes)

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  Subject Author Date
hmmAlex Korn2005-10-30 21:16:58
re(4): Parting shotMcWorter2005-10-28 19:56:29
re(3): Parting shotCharlie2005-10-27 14:04:30
re(2): Parting shotMcWorter2005-10-27 13:10:52
re: Parting shotCharlie2005-10-26 14:55:59
SolutionParting shotMcWorter2005-10-25 19:55:10
SolutionA complex wayOld Original Oskar!2005-10-19 22:01:31
SolutionVectorial solution, plus new theoremsFederico Kereki2005-10-19 19:59:27
re: Analytic solution -- typosCharlie2005-10-19 14:02:19
Analytic solutionJer2005-10-19 13:36:12
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