Circle with Area 278.9244 Square Inches

Instant diameter calculation and visualization

Diameter

18.8451 inches

Radius

9.4225 inches

Circumference

59.2036 inches

Area

278.9244 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 = √(278.9244/π) = 9.4225 inches
d = 2 × 9.4225 = 18.8451 inches

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