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MATH SOLVE
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Solve the triangle for x.
4 months ago
Q:
Solve the triangle for x.
Accepted Solution
A:
Answer:90.4°Step-by-step explanation:Use Law of Cosines to solve:12² = 9² + 8² - 2(9)(8)Cos X 144 = 81 + 64 - 144Cos X -1 = -144Cos X -1/144 = Cos X Cos^-1 (-1/144) = X X = 90.39789056°