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4 December, 16:56

Suppose a triangle has sides a, b, and c, and let be the angle opposite the side of length a. If cos > 0, what must be true?

A. b2 + c2 > a2 B. a2 + b2 > c2 C. b2 + c2 < a2 D. a2 + b2 = c 2

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  1. 4 December, 20:38
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