Circle with Area 3.9685 Square Inches

Instant diameter calculation and visualization

Diameter

2.2479 inches

Radius

1.1239 inches

Circumference

7.0618 inches

Area

3.9685 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 = √(3.9685/π) = 1.1239 inches

                            d = 2 × 1.1239 = 2.2479 inches

Similar Calculations

1.9843 in² = 1.5895 inches diameter Calculate circle diameter for 1.9843 square inches
2.9764 in² = 1.9467 inches diameter Calculate circle diameter for 2.9764 square inches
4.9606 in² = 2.5132 inches diameter Calculate circle diameter for 4.9606 square inches
5.9528 in² = 2.753 inches diameter Calculate circle diameter for 5.9528 square inches