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Instructional Video

Khan Academy: Geometry: Proof Vertical Angles Are Equal

Curated by ACT

Proof that the measures of vertical angles are equal based on properties of supplementary angles. [4:51]

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CCSS: Adaptable
Concepts
angles, vertical angles
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Additional Tags
vertical angle proof, khan academy, khan academy math
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
Common Core
7.G.B.5 8.G.A.1.b