A treatise on special or elementary geometry (1877)
Olney, Edward, 1827-1887, Olney, Edward, 1827-1887. Elements of trigonometry, plane and spherical · New York : Sheldon · leaf 337
h intersectsthe first, is divided in the same anhar-monic ratio as NHDC, which cuts the sec-ond, or [LGDE] = [NCDH]. But theselines have a common homologous point D,hence the lines joining the other pairs ofhomologous points, as LN, CC, EH, meetin a common point, as M. ThereforeL, M, N are in the… … 907. Theo.
Geometry · Trigonometry
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