Triangle problem?

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Prove that when the length of two of the bisectors of a triangle are equal, than the triangle is isosceles.

2007-02-01 05:56:10 · 1 answers · asked by Crystal 3 in Science & Mathematics ➔ Mathematics

1 answers

That's called the Steiner-Lehmus problem. Here's some proofs.

http://mathforum.org/library/drmath/view/60721.html
http://mathforum.org/library/drmath/view/54109.html
http://mathforum.org/library/drmath/view/55220.html

2007-02-01 13:31:56 · answer #1 · answered by Jim Burnell 6 · 0⤊ 0⤋