Circle with Area 39.3891 Square Inches

Instant diameter calculation and visualization

Diameter

7.0818 inches

Radius

3.5409 inches

Circumference

22.2481 inches

Area

39.3891 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 = √(39.3891/π) = 3.5409 inches

                            d = 2 × 3.5409 = 7.0818 inches

Similar Calculations

19.6946 in² = 5.0076 inches diameter Calculate circle diameter for 19.6946 square inches
29.5418 in² = 6.133 inches diameter Calculate circle diameter for 29.5418 square inches
49.2364 in² = 7.9177 inches diameter Calculate circle diameter for 49.2364 square inches
59.0837 in² = 8.6734 inches diameter Calculate circle diameter for 59.0837 square inches