7 - 8 WU98 Prove exterior angles 2.pdf - Section 1: Warm Up

 
  7 - 8 WU98 Prove exterior angles 2.pdf
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Prove exterior angles of triangles 2

Unit 7: PARALLEL LINES, TRANSVERSALS, AND TRIANGLES
Lesson 8 of 9

Objective: SWBAT prove facts about the exterior angles of a triangle.

Big Idea: More practice proving a tough-to-prove fact about triangles, using transversals.

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2 teachers like this lesson
Subject(s):
Math, Geometry, 8th grade, properties of triangles, reasoning and proof, Triangle Exterior Angle Theorem
  75 minutes
lesson 7 8 image
 
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