Images AC BC ABC

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Ac bc abc. Ac2 ab2+bc2 2ab BC COSB. A+B+C = ab+AC+BC = ABC. -BC/(a2+b2+c2). Треугольник ab BC AC A B C.
Ac2 ab2+bc2 2ab BC COSB. A+B+C = ab+AC+BC = ABC. -BC/(a2+b2+c2). Треугольник ab BC AC A B C.

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