| Euclides - 1862 - 172 σελίδες
...angles, or are together equal to two right angles. (References— Prop. i. 11; ax. 1, 2; def. 10.) Let the straight line AB make with CD, upon one side of it, the angles CBA, ABD. Then the angles CBA, ABD are either two right angles, or are tog-ether equal to two right angles. First,... | |
| S. M. Saxby - 1862 - 200 σελίδες
...advantage. Book I. XIII. — The angles which one right line makes with another upon one side of it are either two right angles or are together equal to two right angles. Departing from the precise language of absolute and complete proof (for obvious reasons), we may say... | |
| Euclides - 1864 - 448 σελίδες
...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. Then these shall be either two right angles, or, shall be together, equal to two right angles. A E... | |
| Euclides - 1864 - 262 σελίδες
...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. Then these shall be either two right angles, or, shall be together, equal to two right angles. £ A... | |
| Robert Potts - 1865 - 528 σελίδες
...straight line males 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. Then these shall be either two right angles, or, .shall be together, equal to two right angles. £... | |
| Euclides - 1865 - 402 σελίδες
...angles, or are together equal to two right angles. (References— Prop. I. 11; ax. 1, 2; def. 10.) Let the straight line AB make with CD, upon one side of it, the •ngles CBA, ABD. Then the angles CBA, ABD are either two right angles, or are together equal to two... | |
| John Robertson (LL.D., of Upton Park sch.) - 1865 - 106 σελίδες
...parallel lines. [KC] 38. 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. [KC] 39. The straight lines which join the extremities of two equal and parallel straight lines towards... | |
| Alfred Challice Johnson - 1865 - 166 σελίδες
...versa. (Eue. L, 5, б.) 2. 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, or 180°. (Eue. I., 13.) 3. If two straight lines cut one another, the vertical or opposite angh-s... | |
| William Harris Johnston - 1865 - 478 σελίδες
...another upon one tide of it, as the angles с Ъ d and а Ъ d, or abe and с Ь e, in the figure above, are either two right angles, or are together equal to two right angles. An angle greater than a right angle is called an obtuse angle. An angle less than a right angle is... | |
| Euclides - 1865 - 80 σελίδες
...FGH. PROPOSITION V. THEOR. The angles which one straight line makes with another on one side of it are either two right angles, or are together equal to two right angles. Let the straight line CD make with AB on the same side of it the angles ACD and BCD, these are either... | |
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