Menu
![]() A parabola is formed by the set of all points that are equidistant from the focus and directrix. ![]() In the figure shown above, point q is equidistant from both the focus and the directrix. The focus and directrix are the two parts that define a parabola. Focal length - the distance between the focus and the vertex measured along the axis of symmetry.Eccentricity - the ratio of the distance of a point from its focus to its distance from the directrix (always 1 for a parabola). ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |