Question

In quadrilateral ABCD AC = BD and AB bisects < A. Show that triangle ABC congruent to triangle ABC, what can you say about BC and BD?
Pls answer this question

Answer 1

Ac=bd (given)
An bisects <a
so, <cab=<dab
ab=ab (common)
so by SAS both are congruent

Answer 2

Here, in triangle ABC and in ABD, we have,
1.AC = BD (given)
2.angle BAC = angle BAD ( since AB bisects angle)
3. AB is a common side..
Thus,triangle ABC is congruent to triangle ABD
And I guess the figure is not accurate.

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