An ellipse is one of four conic sections, i.e. instruments of anguish in math classes. The ellipse obeys the equation: (x/a) ² + ( y/b) ² = 1. In this specific case a = 40, while b = 30. An ellipse is ...

👉 Learn how to find the area and perimeter of a rectangle. A rectangle is a parallelogram with all the angles equal to 90 degrees. The area of a shape is the measure of the portion enclosed by the ...