Question
In triangle ABC, if a = 8 cm, b = 6 cm, and angle C =
60°, find the length of side c.Solution
Using the Law of Cosines: c² = a² + b² - 2ab cos(C) c² = 8² + 6² - 2(8)(6)(1/2) c² = 64 + 36 - 48 c² = 52 c = √52 ≈ 7.2 cm.
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