| Robert Simson - 1804
...Q^ED . CoR. i. All the interior angles of any rectilineal figure, together with four right angles, **are equal to twice as many right angles as the figure has** fides. For any reCtilineal figure ABCDE can be divided into as many triangles as the figure has fides,... | |
| Robert Simson - 1806 - 518 sider
...gether with four right angles. Therefore all the angles of the figure, together with four right angles, **are equal to twice as many right angles as the figure has sides.** CoR. 2. All the exterior angles of any rectilineal figure, are together equal to four right angles.... | |
| Charles Hutton - 1807
...work ; add all the inward angles A, B, c, &c, together ; for when the work is right, their sum will ba **equal to twice as many right angles as the figure has sides, wanting** 4 right angles. But when there is an angle, as F, that bends inwards, and you measure the external... | |
| Sir John Leslie - 1809 - 524 sider
...AED, is equal to two right angles. All the exterior angles therefore, added to the interior angles, **are equal to twice as many right angles as the figure has sides.** Consequently the exterior angles are equal to the four right angles which, by the last Proposition,... | |
| Sir John Leslie - 1809 - 493 sider
...is equal to two right angles. All the exterior angles therefore, added to the interior angles, ftre **equal to twice as many right angles as the figure has sides.** Consequently the exterior angles are equal to the four right angles which, by the last Proposition,... | |
| Charles Hutton - 1811
...triangles, is equal to two right angles (th. 17); therefore the sum of the angles of all the triangles is **equal to twice as many right angles as the figure has sides.** But the sum of all the angles about the point P, which are so many many of the angles of the triangles,... | |
| Charles Hutton, Robert Adrain - 1812
...intvard angles, as the figure has sides : therefore the sum of all the inward and outward angles, is **equal to twice as many right angles as the figure has sides.** But the sum of all the inward angles, with four right angles, is equal to twice as many right angles... | |
| Euclides - 1816 - 528 sider
...&c. QED COR. 1. All the interior angles of any rectilineal figure, together with four right angles, **are equal to twice as many right angles as the -figure has sides.** For any rectilineal figure ABCDE, can be divided into as many triangles as the figure has sides, by... | |
| John Playfair - 1819 - 333 sider
...twice as many right angles as the figure has sides, wanting four. F°r. all the angles exterior and **interior are equal to twice as many right angles as the figure has sides** ; but the exterior are equal to four right angles ; therefore the interior are equal to twice as many... | |
| Euclid, Rev. John Allen - 1822 - 494 sider
...as many right angles, except four, as the figure has sides ; and all tbe angles of these triangles **are equal to twice as many right angles as the figure has sides** (32. 1 /CM.), therefore the angles of these triangles which are at their common vertex A, being those... | |
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