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R69 • Lesson 69 of 75

Law of Cosines

Using the generalized Pythagorean theorem for any triangle

Reserve & Extensions • K-12

🔮 Reserve Slot
This lesson is part of the curriculum expansion plan and will be developed based on community needs and feedback.
📋 Prerequisites: H43, R68

🎯 Key Concepts

  • Law of Cosines
  • non-right triangles
  • SAS
  • SSS
  • triangle solving
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Coming Soon

This reserve lesson slot will be filled with additional content as the curriculum expands. Topics may include advanced applications, common misconceptions, specialized content, or community-requested lessons.

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