Text-book of Euclid's elements for the use of schools : books I - VI and XI (1900)
Hall, H. S. (Henry Sinclair), 1848-1934, Stevens, F. H. (Frederick Haller), 1853-1933 · MacMillan : London · leaf 409
complete quadrilateral inwhich the three diagonals are drawn, the straight line joining any pairof opposite vertices is cut harmonically by the other two diagonals. 388 EUCLIDS ELEMENTS. II. ON CENTRES OF SIMILARITY AND SIMILITUDE. 1. If any two unequal similar figure* are placed so that… … Let ABCD, ABCD be two similar figures, and let them be placedso that their homologous sides are parallel; namely, AB, BC, CD,DA parallel to AB, BC, CD, DA respectively.Then shall AA, BB, CC, DD meet in a point, whose distances from any two corresponding points shall be in the ratio of any pair of…
Geometry · Mathematics
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