Question

show that the bisector of Vertical angle and isosceles triangle bisects the base at the right angle​

Answer 1

Answer:

Since we want to prove that the bisector of the vertical angles of an isosceles triangle bisects the base at right angle, we need to consider the triangle congruence. There is a theorem which says that if two angles, a and b, are equal, then they have two opposite sides, r and t, respectively, which are also equal.

Step-by-step explanation:

Let ΔABC be the isoceleus triangle with AB=AC and AD as vertical angle bisectorAB=AC∠B=∠C∠BAD=∠CADSo by ASA criteria the triangles are congruent.⟹BD=DCSo the bisector of vertical angel bisects the base

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Answer 2

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