 | Robert Simson - 1762 - 488 sider
...Book!. Let the ftraight line AB make with CD, upon one fide of it, the Vxv^ angles CBA, ABP ; thefe are either two right angles, or are together equal to two right angles. a. Def. 10. For if the angle CBA be equal to ABD, each of them is a right ^ E ri Ax. di Ax. B B angle.... | |
 | Joseph Fenn - 1769 - 536 sider
...PROPOSITION XIII. THEOREM FI. HF angles which one ftraight line FC makes with another AB upon pre fide of it, are either two right angles, or are together equal to two right angles. Hypothefis. Thefis. EC is aßraight line meeting I. Either each of У ACE, ECB, is a L.. AB in the... | |
 | Robert Simson - 1775 - 534 sider
...be done. PROP. XIII. THEO R. angles which one ftraight line makes with another upon one ftde of it, are either two right angles, or are together equal to two right angles h 3. Port, c lo. t. - Def. t. Book I. Let the ftraight line AB make with CD, upon one fide, of it,... | |
 | Robert Simson - 1781 - 534 sider
...Pod: Book I. Let the ftraight line AB make with CD, upon one fide of if, 1 the angles CBA, ABD ; thefe are either two right angles, or are together equal to two right angles. For if the angle CBA be equal to ABD, each of them is a right* AE a. Def. i0. DBG bni angle. but if not, from thepoint... | |
 | Euclid - 1781 - 552 sider
...Let the ftraight line AB make with CD, upon one fide of it, the angles CBA, ABD ; thefe are cither two right angles, or are together equal to two right angles For, if the angle CBA be equal to ABD, each of them is a A D B i def. i0. r;j,ht a angle; but, if not, from the point... | |
 | Euclid, John Playfair - 1795 - 462 sider
...PROP. XIII. THEO R. THE angles which one ftraight line makes with. another upon the one fide of it, arc either two right angles, or are together equal to two right angles. . Let the ftraight line AB make with CD, Upo-1 one fide of ui the angles CBA, ABD ; thefe ar. euher... | |
 | Alexander Ingram - 1799 - 374 sider
...done. PROP. XIII. THEOR. THE angles which one ftraight line makes with another upon the one fide of it, are either two right angles, or are together equal to two right angles. Let the flraight line AB make with CD, upon one- fide of it, the a 5.Poft. b i0. i. BooK I. the angles... | |
 | John Playfair, Euclid - 1804 - 468 sider
...PROB. XIII. THEO R. THE angles which one ftraight line makes with another upon the one fide of" it, are either two right angles, or are together equal to two right angles. Let the ftraight line AB make with CD, upon one fide of it, the angles CBA, ABD ; thefe are either... | |
 | Robert Simson - 1804 - 530 sider
...angles. Poft Let the ftraight line AB make with CD, upon one fide of it* the angles CBA, ABD ; thefe are either two right angles, or are together equal to two right angles. a. Def. 10. For if the angle CBA be equal to ABD, each of them is a right • AE b. it. I. c. 2. Ax.... | |
 | John Playfair - 1806 - 320 sider
...straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles. Let the straight line AB make with CD, upon one side of it, the angles CBA, ABD ; these are either two right or are together equal to two right angles. C Book I. * Def. 7.... | |
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The angles which one straight line makes with another upon one side of it, are either two right angles, or are together equal to two right angles. 
