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Triangular Crease 789 (Posted on 2012-05-20) Difficulty: 3 of 5
A piece of paper has the precise shape of a triangle (which we will denote by triangle ABC), where the respective lengths of the crease whenever the paper is folded such that; the vertex A is joined onto vertex B, the vertex A is joined onto vertex C and, the vertex B is joined onto vertex C are 7, 8 and 9.

Determine the lengths AB, AC and BC.

No Solution Yet Submitted by K Sengupta    
Rating: 5.0000 (2 votes)

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Some Thoughts re(2): 6 solutions (unverified) Only 4 Work Comment 7 of 7 |
(In reply to re: 6 solutions (unverified) Only 4 Work by Jer)

I checked your two other solutions with Geometer's Sketchpad and they work. These four are the only solutions.
  Posted by Bractals on 2012-05-22 18:40:38

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