|A closed plane curve generated by a point moving in such a way that the sums of its distances from two fixed points is a constant .
|Area of an ellipse= πab, where π=3.14,|
|a-Length of the semi major axis,|
|b-Length of the semi minor axis|
|Perimeter of an Ellipse= 2 πx sqrt((a2 + b 2)/2)