Prove the angle Bisector of triangle theorem.
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An angle bisector of an angle of a triangle divides the opposite side in two segments that are proportional to the other two sides of the triangle. Proof: Since the angles ∠3 and ∠4 are congruent , the triangle ΔABE is an isosceles triangle with AE=AB
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Step-by-step explanation:
An angle bisector of an angle of a triangle divides the opposite side in two segments that are proportional to the other two sides of the triangle. Proof: ... Since ¯AD is a angle bisector of the angle ∠CAB, ∠1≅∠2 . By the Alternate Interior Angle Theorem , ∠2≅∠3 .
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