Principles of Modern Geometry: With Numerous Applications to Plane and Spherical Figures : and an Appendix Containing Questions for Exercise : Intended Chiefly for the Use of Junior StudentsHodges, Smith, 1862 - 227 من الصفحات |
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anharmonic ratio arc joining arcs be drawn arcs drawn bisected centre of similitude chord circle touching circumscribed coincident cone conic section constant corresponding curve cut harmonically cyclic arcs cyclic plane diameter director arc directrix distances equation Euclid evident find the locus fixed point foci focus follows given circle given in Art given line given point given right line harmonic conjugate harmonic mean harmonic pencil hyperbola hypotenuse inscribed involution last Article Lemma line joining lines be drawn locus meet pair parallel Pascal's theorem pass perpendicular point of contact points of intersection pole polygon Prop properties Proposition proved quadrilateral radical axis radius reciprocal rectangle respect right angle second degree segments sines spherical centre spherical conic spherical ellipse spherical triangle square subcontrary subtended surface tangent arcs tangent plane theorem third diagonal three given transversal vertex vertical angle