Circle with Area 77.1645 Square Inches

Instant diameter calculation and visualization

Diameter

9.9121 inches

Radius

4.956 inches

Circumference

31.1396 inches

Area

77.1645 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 = √(77.1645/π) = 4.956 inches

                            d = 2 × 4.956 = 9.9121 inches

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