Penny has a diameter of approximately 18 mm what is the area of the penny to the nearest square millimeter

asked Dec 5, 2018 163k views

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2 votes

254.34 or 254 is the area

Xaxxus answered Dec 6, 2018

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4 votes

Area of a circle is πr². r=9mm (half of the diameter).

So the area is 81π ≈ 254 mm²

Ryan Kohn answered Dec 10, 2018

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