| Euclides - 1865
...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 two right angles, or... | |
| Alfred Challice Johnson - 1865 - 150 sider
...(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... | |
| John Robertson (LL.D., of Upton Park sch.) - 1865 - 144 sider
...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... | |
| William Harris JOHNSTON - 1865
...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
...of Straight Lines. 1. 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** .... ... I. 13. 2. If, at a point in a straight line, two other straight lines, upon the opposite sides... | |
| James Fraser (bp. of Manchester.) - 1866
...to the proposition : 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.** 3. Prove that the angles at the base of an isosceles triangle are equal. 4. Prove that if, from a point... | |
| Euclid, Isaac Todhunter - 1867 - 400 sider
...THEOREM. The angles which one straight line makes with another straight line on one side of it, either are **two right angles, or are together equal to two right angles. Let the straight line AB make with** the straight line CD, on one side of it, the angles CBA, ABD : these either are two right angles, or... | |
| Euclid, Isaac Todhunter - 1867 - 400 sider
...THEOREM. The angles which one straight line makes with another straight line on one side of it, either are **two right angles, or are together equal to two right angles. Let the straight line AB make with** the straight line CD, on one side of it, the angles CBA, ABD : these either are two right angles, or... | |
| Robert Potts - 1868 - 410 sider
...PROPOSITION XIII. THEOREM. The angles which one straight line makes with another upon one side of it, are **either two right angles, or are together equal to...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. E A... | |
| 1868
...base shall be equal 30 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** angels 20 3. Any two sides of a triangle are together greater than the third side 20 4. In obtuse-angled... | |
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