 | Joseph Fenn - 1769 - 536 σελίδες
...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 σελίδες
...was to 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,... | |
 | Euclid, John Playfair - 1795 - 462 σελίδες
...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 two iight... | |
 | Alexander Ingram - 1799 - 374 σελίδες
...line AB make with CD, upon one- fide of it, the a 5.Poft. b i0. i. BooK I. 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 A .Ax. Dfy y* ^^ *1> f* n \j U 3a \f a Dcf.... | |
 | John Playfair, Euclid - 1804 - 468 σελίδες
...Def. *• 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 two right... | |
 | Robert Simson - 1804 - 530 σελίδες
...to be done. PROP. XIII. THEO R. THE angles which one ftraight line makes with another upon one fide of it, are either two right angles, or are together equal to two right angles. Poft Let the ftraight line AB make with CD, upon one fide of it* the angles CBA, ABD ; thefe are either... | |
 | John Playfair - 1806 - 320 σελίδες
...Which was to be done. PROP. XIII. THEOR. THE angles which qne straight line makes with another upon one side of it, are either two right angles, or are...it, the angles CBA, ABD ; these are either two right or are together equal to two right angles. C Book I. * Def. 7. b 11. 1. " c 2.' Ax. d 1. Ax. For, if... | |
 | Euclides - 1816 - 588 σελίδες
...I.. Let the straight line AB make with CD, upon one side v-*"V-' of it, the angles CBA> ABD : these are either two right angles, or are together equal to two right angles. • * For if the angle CB A be equal to ABD, each of them is a % A ' E DB D B C 1 Def. 10. right4 angle;... | |
 | John Playfair - 1819 - 354 σελίδες
...Which ivas to be done. PROP. XIII. THEOR. The angles which one straight line makes with another upon one side of it, are either two right angles, or are...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 rf right angle (Def. 7.)... | |
 | John Playfair - 1819 - 350 σελίδες
...right angles. Let the straight line AB make witK CD, upon one side of it, the angles CBA, ABD ; these 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 angle (Def. 7.) ; but, if not, from... | |
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The angles which one straight line makes with another upon one tide 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... 
