Beman, Wooster Woodruff, 1850-1922, Smith, David Eugene, 1860-1944 · Boston, Ginn & company · leaf 200
v … Any line-segments. Four similar triangles. Three similar quadrilaterals. 259. When two similar figures are so placed that linesthrough their corresponding points form a pencil, they aresaid to be placed in perspective, and the vertex of that pencilis called their center of similitude. The figures…
Geometry
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