OpenStax, Algebra and Trigonometry 2e §10.2 Non-right Triangles: Law of Cosines · Exercise 23 · Trigonometry · Laws of sines & cosines

Non-right Triangles: Law of Cosines · Exercise 23

Solve the triangle. Round to the nearest tenth.

$C = 121°, a = 21, b = 37$

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §10.2 Non-right Triangles: Law of Cosines · Exercise 23

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