OpenStax, Algebra and Trigonometry 2e §10.2 Non-right Triangles: Law of Cosines · Try It 4 · Trigonometry · Laws of sines & cosines

Non-right Triangles: Law of Cosines · Try It 4

Find the area of a triangle given $a = 4.38 ft, b = 3.79 ft,$ and $c = 5.22 ft .$

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OpenStax, Algebra and Trigonometry 2e · §10.2 Non-right Triangles: Law of Cosines · Try It 4

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