| William Nicholson - 1809 - 716 pages
...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 same side ; and likewise, the two interior angles upon the same side, together, equal to two right angles. If... | |
| Euclid - Geometry - 1810 - 554 pages
...to CD. Wherefore, if a straight line, &c. QED PROP. XXVIII. THEOR. IF a straight line falling upon two other straight lines make 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... | |
| John Mason Good - 1819 - 800 pages
...these two straight lines »hall be parallel. Prop. XX V 111. Theor. If a straight line falling upon two other straight lines make« the exterior angle equal to the interior and opposite upon the same side of the line; or makes the interior angles upon i he same side together equal to... | |
| William Nicholson - Natural history - 1821 - 402 pages
...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 angle on the same side , and likewise the two interior angles upon the same side, together, equal to two right angles If AB... | |
| William Nicholson - Natural history - 1821 - 406 pages
...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 angle on the same side ; and likewise the two interior angles upon the same side, together, equal to two right angles If AB... | |
| Euclid - 1826 - 234 pages
...sides and angles of the other. PROPOSITION XXVIII. THEOREM. If a right line falling upon two right lines make the exterior angle equal to the interior and opposite angle towards the same parts, or the interior angles towards the same parts equal to two right angles ; the... | |
| Robert Simson - Trigonometry - 1827 - 546 pages
...to'CD. Wherefore, if a straight line, &c. QED PROP. XXVIII. THEOR. If a straight line falling upon two other straight lines make the exterior angle equal to the interior and opposite upon the same s1de of the line / or make the interior angles upon the same side together equal to two... | |
| John Playfair - Geometry - 1829 - 210 pages
...straight line intersect two parallel straight lines it makes the alternate angles equal to each other; and the exterior angle equal to the interior and opposite angle on the same side of it; and likewise the two interior angles on the same side together equal to two right angles. AXIOM... | |
| Euclides - Euclid's Elements - 1837 - 112 pages
...\\ CD. PROPOSITION XXVIII. Theorem. If a straight line falling upon two other straight lines, makes the exterior angle equal to the interior and opposite angle on the same side of E the line, or makes the interior X. angles on the same side together N. equal to two right angles,... | |
| Education - 1844 - 688 pages
...straight lines cut one another the vertical angles shall be equal. 4. If a straight line, falling upon two other straight lines, make the exterior angle equal to the interior and opposite upon the same side of the line, or make the interior angles on the same side together equal to two... | |
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