An introduction to projective geometry and its applications; an analytic and synthetic treatment (1905)
Emch, Arnold, b. 1871 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 176
^ circle A and join any of its points 5 with ABC andABC, and let these lines cut A in points which we shall alsodesignate by ABC and ABC, to simplify the designation.According to the foregoing results ABC and ABC determinetwo projective ranges on A. Construct the line p and let Mand N be the… … Fig. 69. ranges ABC . . . and ABC, or the points of intersection of /with the conic through ABCDE. 3. Given five tangents ■ of a conic; to construct the tangentsvj this conic through a given point. 164 PROJECTIVE GEOMETRY. In Fig. 69 let a^, b^, c^ di, e^ be the given tangents and 5 thegiven point.…
Geometry, Projective · Geometry, Analytic
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