Semicircle Area Calculator
Precision Note: Results rounded to 4 decimal places for educational reference.
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Semicircle Area Formula
The area of a semicircle is half the area of a full circle. The formula is derived from the basic circle area formula:
Area = (π × R²) / 2
- R = Radius of the semicircle
- π (Pi) ≈ 3.141592653589793
Features of Formula Network Calculators:
1. Real-time Validation: Automatic filtering of invalid inputs (non-numeric/negative values).
2. Record Keeping: Saves up to 5 recent calculations for reference.
3. PDF Export: Generate and download calculation reports for documentation.
4. Cross-Device Support: Responsive design works on desktops, tablets, and mobile phones.