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Barrett purchased a piece of sandpaper for his electric sander, as shown above. The radius of the sandpaper is 2 inches. Approximately what area does the sandpaper cover ignoring the center hole? (Use
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Barrett purchased a piece of sandpaper for his electric sander, as shown above. The radius of the sandpaper is 2 inches. Approximately what area does the sandpaper cover ignoring the center hole? (Use 3.14 for .)

User Ricardo Silveira
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4 votes
The answer would be 2 pi R or pi R2.
User Kevin Li
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The area of a circle is (Pi)r^2
r = 2

area = 3.14(2^2)
area = 3.14 (4)
area = 12.56 sq inches
User Sean Pianka
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5.6k points
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