Question

write the proof using test of congruence of triangle for the angle bisector theorem part 1 and 2 both​

Answer 1

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This theorem states that an angle bisectordivides the opposite side of a triangle into two segments that are proportional to the triangle's other two sides. In the triangle below, that's AB/BD = AC/CD. We then used the theorem to find the missing length in a triangle with an angle bisector.