Instructional Video

Khan Academy: Triangles: Triangle Angle Example 1

Curated by ACT

Explains how to use the triangle sum theorem to solve for missing angle measures in a triangle. A little about exterior angles being the sum of the remote interior angles. Also shows the relationship between the measure of an exterior angle of a triangle and the measures of the remote interior angles.

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CCSS: Adaptable
Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Audiences
For Administrator Use
2 more...
Lexile Measures
0L
Common Core