楕円の面積計算ツール（Ellipse Area Calculator）
結果
Ellipse Area
47.1239 sq units
| Semi-Major Axis (a) | 5 units |
|---|---|
| Semi-Minor Axis (b) | 3 units |
| Area | 47.1239 square units |
| Perimeter (Approximation) | 25.9062 units |
| Eccentricity | 0.8 |
| Semi-Major Axis (a) | 5 units |
|---|---|
| Semi-Minor Axis (b) | 3 units |
| Area | 47.1239 square units |
| Perimeter (Approximation) | 25.9062 units |
| Eccentricity | 0.8 |