👉 A conic section is a curve that results from intersecting two planes. This concept can be applied to various types of curves, including circles, ellipses, parabolas, and hyperbolas. Conic sections are named after their shape as they form an ellipse when the distance between the centers (the foci) and the vertices is equal to the length of a semi-major axis (a), and a parabola when it has its focus at the origin. Ellipses