david410 david410

01-05-2017
Mathematics

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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 = c2

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Аноним Аноним

03-05-2017

a
hivbbv v b how old am i

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