Circle with Area 77.8029 Square Inches

Instant diameter calculation and visualization

Diameter

9.953 inches

Radius

4.9765 inches

Circumference

31.2682 inches

Area

77.8029 in²

How to Calculate Circle Diameter from Area

Step-by-Step Solution

  1. Start with the circle area formula: A = πr²
  2. Solve for radius: r = √(A/π)
  3. Calculate diameter: d = 2r
r = √(77.8029/π) = 4.9765 inches
d = 2 × 4.9765 = 9.953 inches

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