evelyn-williams_60be6c24cff56
evelyn-williams_60be6c24cff56
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Lei dos senos a/sen(α) = b/sen(β) = c/sen(δ) = 2R o triangulo é isoseles (7,9,9) logo cos(α) = (3,5)/9 = 7/18 = 0,38889 sen(α) = √(1 - cos²(α)) = 0,92128 a/sen(α) = 2R 2R = 9/0,92128 = 9,769 R = 9,769/2 = 4.885 cm angulo desse tri…