Answer:
x = 40
Step-by-step explanation:
3x + (x+20) = 180
units
The perimeter of a square is 4 times the length of one side.
The length of the sides of a square is given by the expression
To find the perimeter, we multiply this expression by 4.
We expand to obtain:
This simplifies to:
A
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Two factors could be, 0.144 and 5