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The area of a square in square feet is represented by a^2 + 16a + 64

a - Find an expression for a side length of the square

b - Find the perimeter of the square when a=9

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  1. 1 May, 05:30
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    a. a side length is (a+8)

    b. a=9. (9+8) = 17

    17*4 = 68 is the perimeter
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