Day 144 - C Notes - Angles and triangles - 2014 - 05.05.docx - Section 2: Class Notes

 
  Day 144 - C Notes - Angles and triangles - 2014 - 05.05.docx
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Sum of the Angles in Triangles

Unit 9: Geometry
Lesson 1 of 8

Objective: SWBAT determine that the sum of the angles of a triangle equals 180 degrees through a triangle investigation.

Big Idea: Students cut angles in a triangle and rearrange them to discover why the sum is 180 degrees

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