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An ellipse is an oval shape defined by two radii: semi-major axis (a) and semi-minor axis (b). Area calculation is simpler than circumference, using a straightforward formula.
Формула
Area = π × a × b where a is semi-major axis and b is semi-minor axis
Водич чекор-по-чекор
- 1Enter semi-major axis a
- 2Enter semi-minor axis b
- 3Multiply π × a × b
Worked Examples
Влез
a = 8 cm, b = 5 cm
Резултат
Area ≈ 126 cm²
π × 8 × 5 ≈ 126
Common Mistakes to Avoid
- ✕Using major/minor diameter instead of semi-axes
- ✕Forgetting the π constant
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