Smart, Edward Howard · London : Macmillian and Co. · leaf 256
from a pair of conjugate points are cut byany other tangent in a harmonic range. 18. If two conies are such that a triangle inscribed in one is circum-scribed to the other, an infinite number of such triangles exist. CHAPTER XY. PASCALS AND BRIANCHONS THEOREMS. § 1. (a) Pascals Theorem. If a… … Fig, 115a. Let A, B, C, D, E, F be the an-gular points of the hexagon (Fig.115a). Let a, h, c, d, e, f be the sidesof the hexagon (Fig. 1156). PASCALS AND BRIANCHONS THEOREMS 229 Then, by the theorem of § 2,Chap. XIV., B{CDEA} = F{CDEA}. Then, by the theorem of § 2,Chap. XIV., h {cdea} =/{…
Geometry, Projective
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