Math Problem Statement
Use the Law of Cosines to determine the indicated angle π. (Assume a = 137.5, b = 58.3, and c = 161.5. Round your answer to the nearest degree.)
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Geometry
Formulas
Law of Cosines: c^2 = a^2 + b^2 - 2ab * cos(π)
Rearranged Law of Cosines for angle: cos(π) = (a^2 + b^2 - c^2) / (2ab)
Theorems
Law of Cosines
Suitable Grade Level
Grades 10-12
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