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denis-greek [22]
3 years ago
14

Help plz math !!!!!

Mathematics
1 answer:
kramer3 years ago
3 0

Answer:

Perimeter of the windows is P = 4s, or (here) P = 4(x+9) ft.

Step-by-step explanation:

If the area of the square is x^2 + 18x + 81 (ft^2), then the length of one side is given by the square root of that, and is x + 9 (ft). Note that (x + 9)^2 = x^2 + 18x + 81.

The perimeter of a square window of side length s is P = 4s.

Here, the perimeter of the square is P = 4(x+9) (ft).

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----------------------------------------------

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