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Using 3.14 as Pi the area of circle is: 2461.76

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Area of circle: pi*28^2 = 784*pi square mm

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Wiki User

7y ago
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First divide the diameter by 2. That gives you the radius.Then use the standard formula for the area of a circle: area = pi x radius squared.

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7y ago
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Q: What is the area of a circle with a diameter of 56 millimeters?
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