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A square red rug has a yellow square center. The side length of the yellow square is x inches. The width of the red band that surrounds the yellow square is 2 in. What is the area of the red band?

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amna04352

Answer:

8(x + 2) in²

Step-by-step explanation:

Entire rug:

Side = (x+2+2) = x+4

Area = (x + 4)² = x² + 8x + 16

Yellow area = x²

Total - yellow = red

x² + 8x + 16 - x² = 8x + 16

Red area = 8x + 16 or 8(x + 2) in²

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