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Khan Academy: Solve Triangles Using the Law of Cosines

Curated by ACT

Solve missing triangle measures using the law of cosines. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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CCSS: Adaptable
Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Practice