Circle with Area 7.8219 Square Inches

Instant diameter calculation and visualization

Diameter

3.1558 inches

Radius

1.5779 inches

Circumference

9.9143 inches

Area

7.8219 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 = √(7.8219/π) = 1.5779 inches

                            d = 2 × 1.5779 = 3.1558 inches

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