Geometrical Conics Including Anharmonic Ratio and Projection: With Numerous Examples

asymptotes becomes bisects Cambridge centre Chapter circle cloth College common cone conic conjugate conjugate diameters constant construction contained corresponding Crown 8vo curvature curve described determine diameter distance Draw drawn Edition ellipse equal equally inclined Examples extremities figure fixed point fixed straight line focal chord foci focus follows four given harmonic Hence hyperbola inscribed intersect joining Let the tangent lies locus major axis meet meet the axis middle point minor axis normal Note opposite sides ordinate pairs parabola parallel parallelogram pass pencil perpendicular plane points of contact polar produced projection Prop proposition prove quadrilateral range ratio rectangle respectively right angles Schools segments semi-diameter shown similar triangles Similarly student subtends tangent touches triangle vertex vertices