Question 655499
The diameter of the circle is (x+2) units. Express the area of the square in the figure as a polynomial.
 
http://i50.tinypic.com/2j2vt5l.png < theres a picture if you need to see a visual
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The diameter = the sides of the square.
{{{Area = s*s = (x+2)^2}}}
{{{Area = x^2 + 4x + 4}}} sq units