Principles of modern geometry, with numerious applications to plane and spherical figures; and an appendix, containing questions for exercise. Intended chiefly for the use of junior students (1862)
Mulcahy, John, 1810?-1853 · Dublin Hodges, Smith · leaf 38
INVOLUTION. 27 … This proposition may be divided into two cases, accordingto the relative positions of the four given points A, A, B, B. First case.-When bothpoints of onepair lie be-tween those ofthe other pair,or else when no R point of either pair is so situated. (The figure represents B and B between A and A.)…
Geometry -- Problems, exercises, etc · Geometry
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
