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 92
results when s^ coincideswith S2. Ex. 2. What must be the position of a plane P to obtainorthogonal affinity, §17? Ex. 3. What plane gives orthogonal symmetry? Ex. 4. Whal is the position of a plane if the projections ofany point in this plane are always equally distant from the axis ofathnity si… … So PROJECTIVE GEOMETRY. Ex. 6. What is the position of a plane whose traces coincide? § 26. Homologous Triaxigles. I. In § 15, treating of central projection, two planes n and tzintersecting each other in 5 and a center of projection V {C) wereassumed. Consider now any triangle ABC in n and find…
Geometry, Projective · Geometry, Analytic
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