This page provides a good explanation of how to solve oblique triangles (triangles containing no right angles.) The Law of Cosines section is about halfway of the way down the page.

Concepts

law of cosines, law of sines

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Additional Tags

law cosine, law of cosine, law of cosines for oblique triangles, law of cosines for triangles, solving oblique triangles, solving triangles

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)

Common Core

HSG-SRT.D.10 HSG-SRT.D.11 HSG-SRT.B.4 HSG-SRT.C.7 HSG-SRT.C.6