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x² + x² + 2x + 1 = x² + 4x + 4
2x² + 2x + 1 = x² + 4x + 4
2x² - x² = 4x - 2x + 4 - 1
x² = 2x + 3
x² - 2x - 3 = 0
x +1 x = -1 x = 3
x -3 x = 3
longitud de sus lados
lado 1 ( cateto1) = x = 3
lado 2 ( cateto2) = x+1 = 4
lado 3 ( hipotenusa) = x+2 = 5
su perimetro seria = 12
su area seria = 4x3/2 = 12/2 = 6