Circle with Area 39.9395 Square Inches

Instant diameter calculation and visualization

Diameter

7.1311 inches

Radius

3.5655 inches

Circumference

22.403 inches

Area

39.9395 in²

How to Calculate Circle Diameter from Area

Step-by-Step Solution

Start with the circle area formula: A = πr²
Solve for radius: r = √(A/π)
Calculate diameter: d = 2r


                            r = √(39.9395/π) = 3.5655 inches

                            d = 2 × 3.5655 = 7.1311 inches

Similar Calculations

19.9698 in² = 5.0424 inches diameter Calculate circle diameter for 19.9698 square inches
29.9546 in² = 6.1757 inches diameter Calculate circle diameter for 29.9546 square inches
49.9244 in² = 7.9728 inches diameter Calculate circle diameter for 49.9244 square inches
59.9093 in² = 8.7338 inches diameter Calculate circle diameter for 59.9093 square inches