3 inches x 3.1416 = 9.42 inches
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The circumference of a circle with a diameter of 3 inches is 9.425 inches.
To find the diameter of a circle with a 3-inch circumference, you can use the formula C = πd, where C is the circumference, π is pi (approximately 3.14159), and d is the diameter. Plugging in the given circumference of 3 inches, the formula becomes 3 = πd. Solving for d, you get d ≈ 0.955 inches. Therefore, the diameter of a circle with a 3-inch circumference is approximately 0.955 inches.
If the circumference of a circle is 28 inches the diameter is: 8.913 inches (circumference divided by Pi = diameter).
The circumference of a circle if its diameter is 20 inches is: 62.83 inches (diameter x Pi = circumference).
If a circle has a diameter of 12.8 inches its circumference is: 40.21 inches (circumference = diameter x Pi).