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Diagonal² = x² + (x - 2)²
(10cm)² = x² + x² - 4x + 4
100m² = 2x² - 4x + 4 Simplificamos dividimos entre 2
50cm² = x² - 2x + 2
0 = x² - 2x + 2 - 50
x² -2x - 48 = 0 Factorizas trinomio de la forma x² + bx + c
(x - 8)(x + 6) = 0 Tiene 2 soluciones.
x - 8 = 0
x = 8
o
x + 6 = 0
x = - 6
Se toma valor positivo
x = 8
Altura = x = 8 cm
Base = 8 - 2 = 6cm
Respuesta.
La altura del rectagulo es de 8cm y la base de 6cm