| Robert Simson - Trigonometry - 1762 - 488 pages
...angles they make at the point where they cut, are together equal to four right angles. CoR. 2. And **confequently that all the angles made by any number...lines meeting in one point, are together equal to four** ri^ht angles. PROP. B Book I. PROP. XVI. THEOR, \-or>^ TF one fide of a triangle be produced, the exterior... | |
| Robert Simson - Trigonometry - 1775 - 534 pages
...angles they make at Hie point where they cut, are together equal to four right angles. CoR. 2. And **confequently that all the angles made by any number of lines meeting in one** pohAare together equal to four right angles. PROP. Book I. B 10. i. e 4- 1• I3. i. PROP. XVI. THEO... | |
| Euclid - 1781 - 552 pages
...angles they make at the point where they cut, arc together equal to four right angles. CoR. 2. And **confequently that all the angles made by any number...lines meeting in one point, are together equal to four** rich: angles. PR on. Book I. a. i0. i. S. I{. i. c-4 I. 4. t5. i. a. i6. t. PROP. XVI. THEO R. IF one... | |
| Alexander Ingram - Trigonometry - 1799 - 374 pages
...make at the point where they cut, are together equal to four right angles. CoR. 2. And confequrntly, **that all the angles made by any number of lines meeting in one point, are together equal to four right** angle?. CoR. 3. Likewife, if two ftrnight lines CE, ED, on oppofite fides of a ftraight line AB, meet... | |
| Robert Simson - Trigonometry - 1804 - 530 pages
...make at the point where they cut, are together equal to four right angles. CoR. 2. Ağd confequentiy **that all the angles made by any number of lines meeting in one point, are together** oqual to four right angles. _ Book I. b. 15. i. c. 4. i. d. 15. i. a. in, i. , PROP. XVI. THEOR. IF... | |
| John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...together equal to four right angles. CoR. 2: And hence, all the angles made by .<.ny number of ftraight **lines meeting in one point, are together equal to four * right angles.** C a PROP. Book I. . PROP. XVI. THEO R. IF one fide of a triangle be produced, the exterior angle is... | |
| Robert Simson - Trigonometry - 1806 - 546 pages
...make at the point where they cut are together equal to four right angles. CoR. 2. And, consequently, **that all the angles made by any number of lines meeting...one point, are together equal to four right angles.** Book I. PROP. XVI. THEOR. a 10. 1. b IS. 1. the angle the angle are oppotherefore B IF one side of... | |
| Euclides - 1814 - 560 pages
...make at the point where they cut, are together equal to four right angles. C0R. 2. And consequently **that all the angles made by any number of lines meeting in one point, are together** •qua! to four right angles. C PROP. XVI. THEOR. IF one side of a triangle be produced, the exterior... | |
| Ralph Griffiths, George Edward Griffiths - 1816 - 574 pages
...restored the text of his author. In proposition 15. the editor has left out the second corollary, viz. " **that all the angles made by any number of lines meeting...one point are together equal to four right angles."** This, it seems, has not a place in most of the MSS. of the Imperial Library, but is found in some of... | |
| John Playfair - 1819 - 354 pages
...together equal to four right angles. COR. 2. And hence, all the angles made by any number of straight **lines meeting in one point, are together equal to four right angles-.** r PROP. XVI. THEOR. If one side of a triangle be produced, the exterior angle is greater than cither... | |
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