Prove interior angles of triangles 2

Unit 7: PARALLEL LINES, TRANSVERSALS, AND TRIANGLES
Lesson 6 of 9

Objective: SWBAT prove that the sum of the interior angles of a triangle is 180 degrees.

Big Idea: Get kids fluent in proving this geometry fact.

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1 teacher likes this lesson
Subject(s):
Math, parallel lines, Geometry, angle (Determining Measurements), 8th grade, reasoning and proof, triangle angle sum theorem
  75 minutes
lesson 7 6 imag
 
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