 | Euclides - 1863 - 122 Seiten
...part. j 11. All right angles are equal to one another. | 10. Two straight lines cannot enclose a space to make the two interior angles on the same side of it, \ 12. If a straight line meets two straight lines, so as straight lines, being continually produced,... | |
 | Euclides - 1864 - 448 Seiten
...part. X. Two straight lines cannot enclose a space. XL All right angles are equal to one another. XII. If a straight line meets two straight lines, so as...; these straight lines being continually produced, shall at length meet upon that side on which are the angles which are less than two right angles. PROPOSITION... | |
 | Euclides - 1865 - 402 Seiten
...than the properties of parallel lines. Enclid gets over the difficulty by assuming the following as an axiom : — ' If a straight line meets two straight...right angles ; these straight lines being continually prodnced, shall at length meet upon that side on which are the angles which are less than two right... | |
 | Robert Potts - 1865 - 528 Seiten
...part. X. Two straight lines cannot enclose a space. XI. All right angles are equal to one another. xn. If a straight line meets two straight lines, so as...; these straight lines being continually produced, shall at length meet upon that side on which are the angles which are less than two right angles. PROPOSIT1ON... | |
 | Edward Clarke Lowe - 1866 - 172 Seiten
...part. 10. Two straight lines cannot enclose a space. 11. All right angles are equal to one another. 12. If a straight line meets two straight lines so as...these straight lines, being continually produced, shall at length meet upon that side on which are the angles which are less than two right angles. BOOK... | |
 | Matthew Ryan - 1866 - 50 Seiten
...lines (AB, С D) which are in the same plane, so as to make the two interior angles (BA С, A С D) ore the same side of it, taken together, less than two right angles, these two straight lines (А В, С D) shall at length meet upon that side, if sufficiently produced. Draw... | |
 | Euclid, Isaac Todhunter - 1867 - 426 Seiten
...therefore the angles BGH, GHD are together less than two right angles. But if a straight line meet two straight lines, so as to make the two interior...angles, these straight lines being continually produced, shall at length meet on that side on which are the angles which are less than two right angles. [Axiom... | |
 | Euclid, Isaac Todhunter - 1867 - 424 Seiten
...cannot enclose a space. 11. All right angles are equal to one another. 12. If a straight line meet two straight lines, so as to make the two interior...these straight lines, being continually produced, shall at length meet on that side on which are the angles which are less than two right angles. PROPOSITION... | |
 | Robert Potts - 1868 - 434 Seiten
...part. X. Two straight lines cannot enclose a space. XI. All right angles are equal to one another. xn. If a straight line meets two straight lines, so as...; these straight lines being continually produced, shall at length meet upon that side on which are the angles which are less than two right angles. PROPOSITION... | |
 | Euclides - 1870 - 270 Seiten
...must be equal ; and, consequently, the angles measured by those equals must themselves be equal. 12. If a straight line meets two straight lines, so as to make the two in- QA (j| p terior angles on the same side of it taken together less than two right angles, these... | |
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If a straight line meets two straight lines, so as to " make the two interior angles on the same side of it taken " together less than two right angles... 
