| Moffatt and Paige - 1879 - 426 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 CB A, AB D. Then these two angles are either two right angles or are together equal to two right angles.... | |
| Euclides - 1879 - 146 σελίδες
...PROPOSITION XIII. THEOREM. 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 st. line AB make with CD, on one side of it, the L s CBA, ABD. Then these are either two rt.... | |
| W J. Dickinson - 1879 - 44 σελίδες
...triangle is isosceles. 13. 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. Same proposition. If the angles are CBA, ABD, and BE bisects ABC, and BF bisects ABD, then FEE is a... | |
| Isaac Todhunter - 1880 - 426 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... | |
| 1880 - 594 σελίδες
...from the given angle ? 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. Why is this proposition a theorem ? THIRD (OR FOURTH) YEAR. Arithmetic.— MALES. — i. Find the simple... | |
| Euclides, Frederick Burn Harvey - 1880 - 178 σελίδες
...DCA. PROP. 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 two right angles. CASE I. — When the angles are equal to each other. Let the straight line AB make with the straight... | |
| Elias Loomis - 1880 - 456 σελίδες
...equal 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 together equal to two risrht angles. For if the angle ABC is equal to ABD, each of C u D them is a right angle (Def. 19)... | |
| Pupil teachers - 1880 - 1494 σελίδες
...triangle is isosceles. 18. 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. Same proposition. If the angles are CBA, ABD, and BE bisects ABC, and BF bisects ABD, then FEE is a... | |
| Euclides - 1881 - 236 σελίδες
...another upon one side of it, are either two right anglet, or are together equal to two right anylet. Let the straight line AB make with CD, upon one side of it, the two angle) CBA, ABD. Thee angles ari either two right armies, or ire togt'thei equal to two right auglea.... | |
| Free Church of Scotland. College Committee - 1882 - 142 σελίδες
...Rev. JAMES MATTHEW, BD 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. 2. If a side of any triangle be produced, the exterior angle is equal to the two interior and opposite... | |
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