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Angle Sum of a Triangle - 8.2 - Lesson 13

Angle Sum of a Triangle - 8.2 - Lesson 13

Author: Todd Parks
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All 3 Interior Angles of a Triangle = 180 Degrees

Triangle Angle Sum Theorem


The following link is the IXL target that promotes and solidifies understanding.

Printable Blank Lesson 13

This is a blank copy of our Lesson 13: Angle Sum of a Triangle


Questions #4, #5, and #7

In class examples of using the triangle angle sum theorem. Students constructed an equation for each question in order to find the missing angles degree amount.


Teacher Version

This is the teacher version of Lesson 13.