Instructional Video

Khan Academy: Triangles: Proof Sum of Measures of Angles in a Triangle Are 180

Curated by ACT

Video proving that the sum of the measures of the angles in a triangle are 180.

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CCSS: Adaptable
Concepts
corresponding angles, triangle sum theorem, triangles
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Additional Tags
angle sum theorem, sum of angles in triangle, khan academy, angle-sum theorem
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Classroom Considerations
  • This video is hosted on YouTube
Common Core
8.G.A.5