 | Euclid, Dionysius Lardner - 1828 - Liczba stron: 542
...: and it has already been proved in triangles : therefore, universally, similar rectilinear figures are to one another in the duplicate ratio of their homologous sides. (629) COR. 2. — And if to AB, FG, two of the homologous sides, a third proportional M be taken, AB... | |
 | John Playfair - 1829 - Liczba stron: 210
...CoB. 1. In like manner it may be proved that similar figures of four sides, or of any number of sides, are to one another in the duplicate ratio of their homologous sides; and it has been proved in triangles. Therefore, universally, similar rectilineal figures are to one... | |
 | University of Cambridge - 1830 - Liczba stron: 554
...in origin and intensity. SATURDAY MORNING .... 9 to 11. First, Second, Third and Fourth Classes. 1. SIMILAR triangles are to one another in the duplicate ratio of their homologous sides. 2. If two straight lines meeting one another, be parallel to two straight lines which meet one another,... | |
 | Pierce Morton - 1830 - Liczba stron: 584
...with the homologous sides of the figures, are to one another, each to eich, in the same ratio. But similar triangles are to one another in the duplicate ratio of their homologous sides. Therefore the triangles into which the figure А В С DEF is divided, are to the similar triangles... | |
 | John Playfair - 1832 - Liczba stron: 358
...proportionals, they are similar to one another: and in the same manner a rectilineal figure of six, or more, sides may be described upon a given straight line similar to one given, and so an. Which was to be dona. PROP. XIX. THEOR, Similar triangles are to one another in the duplicate ratio... | |
 | John Playfair - 1833 - Liczba stron: 346
...proportionals, they are similar to one another ; and in the same manner a rectilineal figure of six, or more, sides may be described upon a given straight line...triangles are to one another in the duplicate ratio of the homologous sides. Let ABC, DEF be similar triangles, having the angle B equal to the angle E, and... | |
 | John Playfair - 1835 - Liczba stron: 336
...proportionals, they are similar to one another ; and in the same manner a recD tilineal figure of six, or more, sides may be described upon a given straight line similar to one given, and so on. PROP. XIX. THEOR. Similar triangles are to one another in the duplicate ratio of the homologous sides.... | |
 | 1835 - Liczba stron: 684
...reciprocally proportional; ЗУ. being citc'd instead of 35. Therefore, &c. • PROP. 42. (Eue. vi. 10.) Similar triangles are to one another in the duplicate ratio of their homologous sides. LetABC.DEF be similar triangles, and let the sides В С, EF be homologous ; the triangle ABC shall... | |
 | Euclid - 1835 - Liczba stron: 540
...the same has already been proved of triangles. Therefore, universally, «'milar rectilineal figures are to one another in the duplicate ratio of their homologous sides. COR. 2. And if to AB, FG, two of the homologous sides, h lO.def. 5. a third proportional M be taken,... | |
 | John Playfair - 1836 - Liczba stron: 488
...proportionals, they are similar to one another ~. and in the same manner a rectilineal figure of six, or more, sides may be described upon a given straight line...duplicate ratio of their homologous sides. . Let ABC, DEF -be similar triangles, having the angle B equal to the angle E, and let AB be to BC, as A DEtoEF,sothat... | |
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SIMILAR triangles are to one another in the duplicate ratio of their homologous sides. 
