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

Answers: 2

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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

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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