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Use the Law of Cosines to find the missing angle. Find m∠B, given a = 11, b = 12, and c = 17.
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Use the Law of Cosines to find the missing angle. Find m∠B, given a = 11, b = 12, and c = 17.

User Rvazquez
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The answer is 46+12 which is 58
User GBD
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