Circle with Area 129.1651 Square Inches

Instant diameter calculation and visualization

Diameter

12.8241 inches

Radius

6.4121 inches

Circumference

40.2882 inches

Area

129.1651 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 = √(129.1651/π) = 6.4121 inches

                            d = 2 × 6.4121 = 12.8241 inches

Similar Calculations

64.5826 in² = 9.068 inches diameter Calculate circle diameter for 64.5826 square inches
96.8738 in² = 11.106 inches diameter Calculate circle diameter for 96.8738 square inches
161.4564 in² = 14.3378 inches diameter Calculate circle diameter for 161.4564 square inches
193.7477 in² = 15.7063 inches diameter Calculate circle diameter for 193.7477 square inches