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
Answers: 2
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Suppose a triangle has sides a, b, and c, and let theta be the angle opposite the
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