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Area of an ellipse

Area of an ellipse is calculated as the product of the semi-major axis, semi-minor axis, and Pi (Π = 3.14).

Area of an ellipse

A = Π × R × r

Where A is the area, Π has a value of 3.14, R is the semi-major axis, and r is the semi-minor axis.

Example:
If R = 4 units and r = 2 unites then A = ?

A = Π × R × r = 3.14 × 4 × 2 = 3.14 × 8 = 25.12 square units