| Euclid, John Playfair - 1795 - 462 pagine
...OR. See N. TF a ftraight line fall upon two parallel ftraight J. lines, it makes the alternate angles equal to one another ; and the exterior angle equal to the interior and oppofite upon the fame fide ; and likewife the two interior angles upon the fame fide together equal... | |
| Robert Simson - 1804 - 530 pagine
...IF a ftraight line falls upon two parallel ftraight lines, VT Scc the it makes the alternate angles equal to one another ;. and the exterior angle equal to the interior and oppofite fltion upon the fame fide; and likewife the two interior angles upon the fame fide together... | |
| Robert Simson - 1806 - 546 pagine
...one ano- ™£*™ ther ; and the exterior angle equal to the interior and position. opposite upon the same side ; and likewise the two interior angles...the same side together equal to two right angles. Let the straight line EF fall upon the parallel straight lines AB, CD ; the alternate angles, AGH,... | |
| William Nicholson - 1809 - 684 pagine
...Theorem IV. If a straight line fall upon two parallel straight lines, it makes the 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 upon the same side, together, equal... | |
| Euclid - 1810 - 554 pagine
...equal to one ano- "huprop ther; and the exterior angle equal to the interior andsitioiv opposite upon the same side; and likewise the two interior angles upon the same side together equal to two/right angles. V Let the straight line EF fall upon the parallel straight lines AB, CD; the alternate... | |
| John Mason Good - 1813 - 714 pagine
...XXIX. Theor. If a straight line fall upon two parallel straight lines, it makes 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... | |
| Euclides - 1816 - 588 pagine
...angles equal to one ih another; and the exterior angle equal to the inte-sit10"' rior and opposite upon the same side ; and likewise the two interior angles...the same side together equal to two right angles. „ ' . Let the straight line EF fell upon the parallel straight lines AB, CD ; the alternate angles... | |
| William Nicholson - 1821 - 402 pagine
...Theorem IV. If a straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another , and the exterior angle equal...to two right angles If AB (fig. 5.) be parallel to CD, and E Fcut them in the points HG, then the angle AHG equals the alternate angle HGD ; the exterior... | |
| John Mason Good - 1819 - 800 pagine
...angles equal to one another; and the exterior angle equal to the interior and opposite upon the »ame side : and likewise the two interior angles upon the same side together equal to two right angles. Prop. XXX. Theor. Straight lines which are parallel to ihc same straight line, are parallel to one... | |
| John Playfair - 1819 - 354 pagine
...XXIX. THEOR. If a straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another ; and the exterior angle equal to the interior and opposite upon the same side ; and likewise the too interior angles upon the same side together equal to two... | |
| |