| James Fraser (bp. of Manchester.) - 1866 - 480 σελίδες
...corollaries 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 - 424 σελίδες
...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 are together equal to two right angles. For if the angle CBA is equal to the angle ABD, each of them is a right angle. [Definition 10. But if not, from the point... | |
| Robert Potts - 1868 - 434 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. E A... | |
| 1868 - 876 σελίδες
...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... | |
| Elias Loomis - 1871 - 302 σελίδες
...straight line makes w:tk anothei,upi* one side of it, are either two right angles, cr are together to two right angles. Let the straight line AB make with CD, upon one side of it, the angles ABC, ABD ; these are either two right angles, or are toTethiir equal to two right angles. ^or if the... | |
| Alfred Challice Johnson - 1871 - 178 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 l1nes cut one another, the vertical or opposite angles... | |
| Henry Major - 1873 - 580 σελίδες
...line makes with another upon the 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 jlide of it, the angles CBA, ABD : these are either two right angles or are together equal to two right... | |
| Euclides - 1874 - 342 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 Then the angles CBA, ABD shall be either two right angles, or shall together equal to two right angles.... | |
| Francis Cuthbertson - 1874 - 400 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 L s ABC, ABD. These shall either be two right L s; C or shall together be = two right L s. If the then... | |
| Euclides - 1874 - 120 σελίδες
...AJB make with the straight fine CD, on one side of it, the angles CBA, A 1. B ABD : these either are two right angles, or are together equal to two right angles. For if the angle CBA is equal to the angle ABD, each of them is a right angle. [Def. 10.] 2. But if not, from the point... | |
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