Circle with Area 21.0029 Square Inches

Instant diameter calculation and visualization

Diameter

5.1712 inches

Radius

2.5856 inches

Circumference

16.2459 inches

Area

21.0029 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 = √(21.0029/π) = 2.5856 inches
d = 2 × 2.5856 = 5.1712 inches

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