Advanced geometry for high schools : synthetic and analytical (1919)
McDougall, A. H. (Alexander Hiram), 1859-1946 · Toronto : Copp, Clark · leaf 62
ough O. THE COMPLETE QUADRILATERAL 49 The Complete Quadrilateral @. The figure formed byfour straight lines which meetin pairs in six points is calleda complete quadrilateral. The figure ABCDEF is acomplete quadrilateral, ofwhich AC, BD and EF arethe three diagonals. (49, In a complete…
Geometry · Geometry, Analytic
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