| John Keill - 1723 - 364 sider
...tie duplicate Proportion of their homologous Sides. 1" ET ABC, DEF, be fimilar Triangles, having -LJ **the Angle B equal to the Angle E ; and let AB be to BC as DE** is to EF, fo- that BC be the Side homologous to EF. I fay, the Triangle ABC, to the Triangle DEF, has... | |
| John Keill - 1733 - 397 sider
...PROPOSITION XIX. THEOREM. Similar "Triangles are in the duplicate Ft ofortion of their homologous Sides. **LET ABC, DEF, be fimilar Triangles, having the Angle...B equal to the Angle E ; and let AB be to BC as DE** is to EF, fo that BC be the Side homologous to £ F. I fay, the Triangle ABC, to the Triangle DEF,... | |
| Euclid, Edmund Stone - 1765 - 464 sider
...homologous fides. This has been a4fe proved of triangles, therefore univerfally fimilar right lined figures **are to one another in the duplicate ratio of their homologous fides.** Euclid's Elements. Book Vf. Corollary. 2. And if a third proportional x be found to AB, FG : [by i0.... | |
| Joseph Fenn - 1769
...already been proved in triangles (P 19), it is tvident universally, that fimüar rectilineal figures **are to one another in the duplicate ratio of their homologous fides.** Wherefore, if te AB, FG two of I be homologous fides a third proportional X be taken ; becaufe А В... | |
| Robert Simson - 1775 - 520 sider
...ftraight line li« milar to one given, and- fo on. Which was to be done. PROP. XIX. THEO R. SIMILAR **triangles are to one another in the duplicate ratio of their homologous** ftdes. Let ABC, DEF be fimilar triangles having the angle B equal to the angle E, and let AB be to... | |
| Euclid - 1781 - 520 sider
...fides, and it has atready been proved in triangles. Therefore, univerfally fimilar rectilineal figures **are to one another in the duplicate ratio of their homologous fides** CoR. 2. And if to AB, FG, two of the homologous fides, hio. def.5. a third proportional M betaken,... | |
| John Keill - 1782 - 399 sider
...PROPOSITION XIX. THEOREM. Similar Triangles are in the duplicate Proportion of their homologous Sides. **LET ABC, DEF, be fimilar Triangles" having the Angle...equal to the Angle E ; and let AB be to BC, as DE** is to EF, fo that BC he the Side homologous to E F. I fay, the Triangle ABC, to the Triangle DEF, has... | |
| John McGregor (teacher of mathematics.) - 1792 - 431 sider
...fide of each being rt Regular polygons of the like number of fides are fimilar, rind fimilar furfaces **are to one another in the duplicate ratio of their homologous fides** ; but the fides of the polygons in the foregoing table are each of them i ; therefore, as the fquare... | |
| Euclid, John Playfair - 1795 - 400 sider
...fides, and it has already been proved in triangles. Therefore, univerfaUy fimilar reftilineal figures **are to one another in the duplicate ratio of their homologous fides.** CoR. 2. And if to AB, FG, two of the homologous fides, h 1 1. def. 5. a third proportional M be taken,... | |
| Alexander Ingram - 1799 - 351 sider
...fides ; and it has already been proved in triangles. Therefore, univerfally fimilar rectilineal figures **are to one another in the duplicate ratio of their homologous fides.** CoR 2. And if to AB, FG, two of the homologous fides, hio-Def.5. a third proportional M be taken, AB... | |
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