| Euclid, John Bascombe Lock - 1892 - 188 σελίδες
...straight line CD stand upon the straight line ACB ; it is required to prove that the angles ACD, BCD are either two right angles or are together equal to two right angles. BACB The angles ACB, BCD must be either equal or unequal. If the angles ACD, BCD are equal, they are... | |
| Queensland. Department of Public Instruction - 1892 - 508 σελίδες
...lin?. 4. The angles which one straight line makes with another 18 straight line on une side of it, are either two right angles, or are together equal to two right angles. ;">. If two triangles have two sides of the one equal to 20 two sides of the other, each to each, but... | |
| Seymour Eaton - 1899 - 362 σελίδες
...13. THEOREM The angles which one straight line makes with another straight line, on one side of it, are either two right angles or are together equal to two right angles. Construction: If ABC is equal to ADD, they are two right angles (definition of a right angle). If ABC... | |
| Euclid, Henry Sinclair Hall, Frederick Haller Stevens - 1900 - 330 σελίδες
...THEOREM. The adjacent angles which one straight line makes with another straight line, on one side of it, are either two right angles or are together equal to two right angles. OB CD BC Lot the straight line AB meet the straight line DC. Then the adjacent angles DBA, ABC shall... | |
| 1902 - 170 σελίδες
...1. Shew that the angles, which one straight line makes with another straight line on one side of it, are either two right angles or are together equal to two right angles ; and, if at a point in a straight line, two other straight lines, on opposite sides of it, make adjacent... | |
| Euclid - 1904 - 488 σελίδες
...THEOREM. The adjacent angles which one straight line makes with another straight line, on one side of it, are either two right angles, or are together equal to two right angles. Let the straight line AB meet the straight line DC. Then the adjacent angles DBA, ABC shall be either... | |
| Newfoundland Council of Higher Education - 1911 - 252 σελίδες
...equilateral. (15) A 4. If one straight line stand upon another straight line, show that the adjacent angles are either two right angles or are together equal to two right angles. Prove that the bisectors of the adjacent angles which one straight line makes -with another straight... | |
| Howard Whitley Eves - 1997 - 370 σελίδες
...to a given straight line. 13. Any pair of adjacent angles formed by two intersecting straight lines are either two right angles or are together equal to two right angles. 14. If, at any point on a straight line, two rays, on opposite sides of it, make a pair of adjacent... | |
| Royal Statistical Society (Great Britain) - 1845 - 786 σελίδες
...MATHEMATICS. — Senior. \. 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. 2. Define a parallelogram. Parallelograms on the same base and between the same parallels are equal... | |
| Cowley Oxon, dioc. school - 1860 - 318 σελίδες
...equal to one another. 4. 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. 5. If one side of a triangle be produced, the exterior angle is greater than either of the interior... | |
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