| John Playfair - Trigonometry - 1795 - 444 pages
...ftraight line, &c. Q^ ED PROP. XXIX. THE OR. See N. TF a ftraight line fall upon two parallel ftraight J. **lines, it makes the alternate angles equal to one...; 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 - Trigonometry - 1804
...line, &c. Q^ED PROP. XXIX. THEOR. 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 - Trigonometry - 1806 - 518 pages
...straight line, &c. QED PROP. XXVIII. THEOR. IF a straight line falling upon two other straight lines makes **the exterior angle equal to the interior and opposite upon the same side** of the line ; or makes the interior angles upon the same side together equal to two right angles ;... | |
| William Nicholson - Natural history - 1809 - 684 pages
...straight line may be drawn parallel to that straight line, or that straight line produced. 14. Theorem IV. **If a straight line fall upon two parallel straight...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... | |
| William Nicholson - 1809 - 708 pages
...straight line may be drawn parallel to that straight line, or that straight lice produced. M. Theorem IV. **If a straight line fall upon two parallel straight lines, it makes the alternate** angle« equal to one another ; and the exterior angle equal to the interior and opposite angle on the... | |
| Euclid - Geometry - 1810 - 518 pages
...alternate angles 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 - 722 pages
...shall be parallel. Prop. XXVIII. Theor. If n straight line falling upon two others traight lines makes **the exterior angle equal to the interior and opposite upon the same side** of the line; or makes the interior angles upon the same side together equal to two right angles; the... | |
| Euclides - 1814 - 558 pages
...alternate angles equal to oneJ^""" 0 , another; and the exterior angle equal to the inte- »ti'm. rior **and opposite upon the same side ; and likewise the...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, GH... | |
| Euclides - 1816 - 528 pages
...line, &c. QED PROP. XXVIII. THEOR. IF a straight line falling upon two other straight lines, makes **the exterior angle equal to the interior and opposite upon the same side** of the line; or makes the interior angles upon the same side together equal to two right angles ; the... | |
| Euclid, John Playfair - Circle-squaring - 1819 - 348 pages
...angles ; therefore AB is parallel to CD. Wherefore, if a straight line, &c. QED PROP. XXIX. THEOR. **If a straight line fall upon two parallel straight...and opposite upon the same side ; and likewise the** to'o interior angles upon the same side together equal to two right angle?. Let the straight line EF... | |
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