scott-baker_60be509c38342
scott-baker_60be509c38342
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Perímetro = soma dos lados = ab + ac + bc = (2x - 1) + (x - 5) + (x) = 36 Resolvendo: 2x - 1 + x - 5 + x = 36 4x = 36 + 6 4x = 42 x = 42/4 = 10,5 Portanto: ab = 2 . (10,5) - 1 = 21 - 1 = 20cm ac = (10,5) - 5 = 5,5cm bc = 10,5cm Ele …