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 170
four different solutions. THEORY OF COMICS. 57 7. Given three points of a conic K,—A, B, C,—and a focus S.To construct the conic. Draw in Fig. 65 any circle tangent to the conjugate imaginary-tangents from S to K; i.e., draw anv circle K with 5 as a center. … Fig. 65. The problem and the construction are in this case exactly thesame as in problem 6. Here also there are four different solutions. 8. Given four points and a tangent of a conic, to construct it. In Fig. 66 let A, B, C, D he the given points and t the given:tangent of the conic K. Consider AB…
Geometry, Projective · Geometry, Analytic
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