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Common Core For Geometry
Student Outcomes
Similarity and the Angle Bisector Theorem
Classwork
Opening Exercise
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?
Discussion
In the diagram below, the angle bisector of β π΄ in β³ π΄π΅πΆ meets side π΅πΆΜ Μ Μ Μ at point π·. Does the angle bisector create any observable relationships with respect to the side lengths of the triangle
Exercises 1β4
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