Focus In Auxiliary Circle of Conic
Diagram showing how to construct a conic when given the focus and the auxiliary circle. The focus is on the left of the auxiliary circle, thus producing a very obtuse hyperbola.
Keywordscone, ellipse, ellipses, circle, conic section, hyperbola, construction, circles, focus, conics, foci, construct, hyperbolas
Arthur Latham Baker The Elements of Solid Geometr with Numerous Exercises (Boston, MA: Ginn & Company, 1893)