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Mathematics, 21.07.2021 04:40 eggemotions

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

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


Suppose a triangle has sides a, b, and c, and let theta be the angle opposite the

side of length

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Answers: 2

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