8.2-Law of the Cosines
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8.2-Law of the Cosines 3 2 1 Law of the Cosines & Requirements Area of Triangles Practice Problems
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8.2-Law of the Cosines. 1. Law of the Cosines & Requirements. 2. Area of Triangles. 3. Practice Problems. Law of the Cosines. Law of the Cos ines. Requirements Two sides and an angle between them SAS Three sides SSS - PowerPoint PPT Presentation
Transcript of 8.2-Law of the Cosines
8.2-Law of the Cosines
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1Law of the Cosines & Requirements
Area of Triangles
Practice Problems
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Law of the Cosines
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Law of the Cosines Requirements
Two sides and an angle between them SAS
Three sides SSS
If these conditions are not met, the problem cannot be solved with the Law of the Cosines
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SAS Example
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SAS Example (Cont.)
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SSS Example
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SSS Example (Cont.)
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Area of a Triangle
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Area of a Triangle Example
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Heron’s Formula
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Heron’s Formula Example
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Practice Problems Page 587
Problems 5-14, 16-18, 22