Circle with Area 315.2978 Square Inches

Instant diameter calculation and visualization

Diameter

20.0362 inches

Radius

10.0181 inches

Circumference

62.9456 inches

Area

315.2978 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 = √(315.2978/π) = 10.0181 inches
d = 2 × 10.0181 = 20.0362 inches

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