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Mathematics, 22.11.2019 20:31 lilpeepxliltracy

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 > a2b. a2 + b2 > c2c. b2 + c2 < a2d. a2 + b2 = c2

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