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What is the area of this circle rounded to the nearest whole number (show work)

What is the area of this circle rounded to the nearest whole number (show work)-example-1

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Area = pi radius squared. (a=pi r squared).
the radius of this circul is 1.6 units so plunging that in you get 1.6 • pie = 5.02654824574. now square that. The answer is 15.7913670417.
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