Respuesta :

SJ2006
Here, 4x * x = 324
Now, we need to calculate that unit of x value as follows:
4x * x = 324
4x² = 324
x² = 324/4
x² = 81
x = √81
x = 9
So, 4x = 4(9) = 36

So, dimensions of rectangle would be: 36 × 9

Hope this helps!

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