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A square green rug has a blue square in the centerthe side length of the blue square is x inches the width of the green band that surrounds the blue square is 6 inWhat is the area of the green band?
Juancrivas79
The side of the rug is 6+x+6 = 12+x inches.
The area of the whole rug is (12+x)2 square inches.
= 144+24x+x2 square inches.
The blue square is x*x = x2 square inches.
Which leaves the green band at 144+24x+x2 - x2 = 144+24x sq inches.
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