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7. one side of a parallelogram is 4 cm shorter than an adjacent side. l…

Question

  1. one side of a parallelogram is 4 cm shorter than an adjacent side. let x cm be the length of the shorter side and y cm be the length of the adjacent side to x. 7b assume that the perimeter of this parallelogram is 16 cm. express this word problem as an equation in terms of x and y.

Explanation:

Step1: Record la relación entre lados

Dado que un lado es 4 cm más corto que el adyacente, entonces $x=y - 4$.

Step2: Usar la fórmula del perímetro

La fórmula para el perímetro $P$ de un paralelogramo es $P = 2(x + y)$. Sabemos que $P=16$. Sustituyendo $P$ en la fórmula, obtenemos $16 = 2(x + y)$.

Answer:

$16 = 2(x + y)$