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Jayden wants to find the dimensions of this parallelogram. He knows that the first step is to find the value of x. Which of these equations will result in the correct value of x?

A. 2x – 1 = x + 8

B. 2x – 1 = x + 1

C. x + 1 + 2x – 1 = 180

D. x + 1 = x + 1

Respuesta :

In a parallelogram opposite sides are equal.  So in your picture, you either have x + 1 = x + 1, or x + 8 = 2x - 1.  Since the 1st equation will give you 0 = 0, which will not help at all.  So you gave to do the other equation x + 8 = 2x - 1 or B

Answer:

2x – 1 = x + 8

Step-by-step explanation: