| Robert Simson - Trigonometry - 1775 - 534 pages
...fame fide together equal to two right angles. Let the ftraight line EF fall upon the parallel ftraight **lines AB, CD ; the alternate angles AGH, GHD are equal...the exterior angle EGB is equal to the interior and** oppofite, upon the fame fide, • GHD ; and the two interior • angles BGH, GHD upon the fame fide... | |
| Euclid - 1781 - 552 pages
...fame fide together equal to two right angles. Let the ftraight line EF fall upon the parallel ftraight **lines AB, CD ; the alternate angles AGH, GHD are equal...the exterior angle EGB is equal to the interior and** oppofite, upon the fame fide,GHD \ sind the two interior • angles BGH, GHD upon the fame fide arc... | |
| Euclid, John Playfair - Euclid's Elements - 1795 - 462 pages
...equal to two right angles. Let Let the ftraight line EF fall upon the parallel ftraight lines ^Book I. **AB, CD ; the alternate angles AGH, GHD are equal to...the exterior angle EGB is equal to the interior and** oppofite, upon the fame fide, GHD ; and the two interior angles BGH, GHD upon the fame fide are together... | |
| Robert Simson - Trigonometry - 1804 - 530 pages
...fame fide together equal to two right angles. Let the ftraight line EF fall upon the parallel ftraight **lines AB, CD. the alternate angles AGH, GHD are equal...the exterior angle EGB is equal to the interior and** oppofite, upon the fame fide, GHD ; and the two interior angles BGH, GHD upon -& the fame fide are... | |
| John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...to two right angles, Let Let the ftraight line EF fall upon the parallel ftraight lines J5o°k IAB, **CD ; the alternate angles AGH, GHD are equal to one...the exterior angle EGB is equal to the interior and** oppofite, upon the fame fide, GHD ; and the two interior angles BGH, GHD upon the fame fide are together... | |
| John Playfair - Mathematics - 1806 - 320 pages
...the two interior angles on the same side equal to two right angles. Let the straight line EF fall on **the parallel straight lines AB, CD ; the .alternate angles AGH, GHD are equal,** the exterior angle EGB is equal to the interior and opposite GHD, and the two interior angles BGH,... | |
| William Nicholson - Natural history - 1809 - 684 pages
...alternate angles equal to one another ; and the exterior angle equal to the interior and opposite augle on **the same side ; and likewise, the two interior angles...the same side, together, equal to two right angles.** If AB, (fig. 5) be parallel to CD, and £ F cut them in the points HG, then the angle AHG equals the... | |
| William Nicholson - 1809 - 716 pages
...alternate angle« equal to one another ; and the exterior angle equal to the interior and opposite angle on **the same side ; and likewise, the two interior angles...the same side, together, equal to two right angles.** If AB, (fig. 5) be parallel to С D, and EF cut them in the points HG, then the angle AHG equals the... | |
| Sir John Leslie - Geometry, Plane - 1809 - 522 pages
...angles equal, the' exterior angle equal to the interior opposite one, and the two interior angles on **the same side together equal to two right angles. Let the straight line** EFG fall upon the parallels AB and CD; the alternate angles AGF and DFG are equal, the exterior angle... | |
| John Mason Good - 1813 - 714 pages
...the alternate angles equal to one another; and the exterior angle equal to the interior and opposite **upon the same side; and likewise the two interior...angles upon the same side together equal to two right** ansies. Prop. XXX. Theor. Straight lines which are parallel to the same straight line are paiallel... | |
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