Circle with Area 129.4449 Square Inches

Instant diameter calculation and visualization

Diameter

12.838 inches

Radius

6.419 inches

Circumference

40.3318 inches

Area

129.4449 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 = √(129.4449/π) = 6.419 inches

                            d = 2 × 6.419 = 12.838 inches

Similar Calculations

64.7225 in² = 9.0778 inches diameter Calculate circle diameter for 64.7225 square inches
97.0837 in² = 11.118 inches diameter Calculate circle diameter for 97.0837 square inches
161.8061 in² = 14.3533 inches diameter Calculate circle diameter for 161.8061 square inches
194.1674 in² = 15.7233 inches diameter Calculate circle diameter for 194.1674 square inches