Similarity and the Angle Bisector Theorem
a. What is an angle bisector?
b. Describe the angle relationships formed when parallel lines are cut by a transversal.
c. What are the properties of an isosceles triangle?
In the diagram below, the angle bisector of ∠𝐴 in △ 𝐴𝐵𝐶 meets side 𝐵𝐶̅̅̅̅ at point 𝐷. Does the angle bisector create any observable relationships with respect to the side lengths of the triangle
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