Step-by-Step Solution
- Start with the circle area formula: A = πr²
- Solve for radius: r = √(A/π)
- Calculate diameter: d = 2r
r = √(0.1257/π) = 0.2 inches
d = 2 × 0.2 = 0.4001 inches
Instant diameter calculation and visualization
r = √(0.1257/π) = 0.2 inches
d = 2 × 0.2 = 0.4001 inches