Asked by | 25th Jul, 2009, 05:24: AM
The bisector of the angle if it is the perpendicular then it divdes the triangle into two congruent triangles.
In triangle ABC, if AD is the angle bisector &also perpendicular then
ang BAD = angCAD
ang BDA =ang CDA =90 degrees
therefore triangle ADB is congruent to ADC
therefore AB =AC cpct
triangle ABC is an isosceles triangle.
Answered by | 2nd Aug, 2009, 06:05: PM
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