Kelsey bought a circular rug that is 12 feet in diameter. The rug has a blue border and a red circular center that is 4 feet in diameter. What is the area of the blue border? (round to the nearest tenth place aka after the decimal)

Note: Explain Step-by-step

The blue area is the difference between the area of the 8 ft diameter rug and the area of the 6 ft diameter rug.

Step-by-step explanation:

From each diameter, you can figure out the appropriate radius. Then find the area of the larger circle & subtract from that the area of the smaller circle, using the formula Area = pi•radius2 for each circle.

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