Circle with Area 77.2271 Square Inches

Instant diameter calculation and visualization

Diameter

9.9161 inches

Radius

4.958 inches

Circumference

31.1523 inches

Area

77.2271 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 = √(77.2271/π) = 4.958 inches

                            d = 2 × 4.958 = 9.9161 inches

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