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Using the formula for the area of a circle, πr2, the area is exactly 0.25π square miles.

That's about 0.785 square miles. Since π is an irrational number, the exact area cannot

be written with numerical digits alone.

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11y ago
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13y ago

If the diameter is exactly 1 mile, then the radius is exactly 0.5 miles. Using A= (Pi)r2, we find that the area is exactly 0.25(Pi) square miles. This is approximately 0.7854 square miles.

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Q: What is the exact area of a circle with diameter 1 mile?
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