Rombo = a + a + a + a = 4*a
Rectángulo Azul = 2x + 2x + 4y + 4y = 2*(2x) + 2*(4y)
Cuadrado = 8x + 8x + 8x + 8x = 4 * (8x)
Rectágulo Rojo = 3a + 3a + 9b + 9b = 2*(3a) + 2*(9b)
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Verified answer
Rombo = a + a + a + a = 4*a
Rectángulo Azul = 2x + 2x + 4y + 4y = 2*(2x) + 2*(4y)
Cuadrado = 8x + 8x + 8x + 8x = 4 * (8x)
Rectágulo Rojo = 3a + 3a + 9b + 9b = 2*(3a) + 2*(9b)