The nine rectangles A, B, C, D, E, F, G, H and I overlap one another. Rectangle A intersects rectangles D and F; this ...

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 ...