Question 1026665
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How to prove that {{{highlight(if)}}} angle B = angle C {{{highlight(cross(on based))}}} {{{highlight(in_a)}}} triangle, then the bisectors of the angles are of equal length, using contradiction.
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See the lesson <A HREF=https://www.algebra.com/algebra/homework/word/geometry/Angle-bisectors-in-an-isosceles-triangle.lesson>Angle bisectors in an isosceles triangle</A> in this site.