| Euclid - 1765 - 464 pagina’s
...is, has fides. But fince all the inward angles together, with four right angles, has been proved to **be equal to twice as many right angles as the figure has** fides ; therefore all the inward angles, together with four right angles, is equal to all the inward... | |
| Thomas Malton - 1774 - 440 pagina’s
...the Sides. ie equal to four Right Angles. And, all the internal Angles of any Right-lined Figure are **equal to twice as many Right Angles as the Figure has Sides,** wanting four, (Th. i. i0. i.) confequently, the external Angles being equal to thofe four (Th. 2. of... | |
| Charles Hutton - 1788 - 703 pagina’s
...work ; add all the inward angles A, B, c, &c, together, and when the work is right, their fum will **be equal to twice as many right angles as the figure has** fides, wanting 4 right angles. And when there is an angle, as F, that bends inwards, and you meafure... | |
| 1801 - 426 pagina’s
...work ;• add all the inward angles A, B, C, &c. together, and when the work is right, their sum will **be equal to twice as many right angles, as the figure has sides,** wanting four right angles. And when there is an angle, as F, that bends inward, and you measure the... | |
| Thomas Hodson - 1806 - 458 pagina’s
...the work ; — add all the inward angles ABC, &c. together ; and if the work be right, the fum will **be equal to twice as many right angles as the figure has** fides, except four right angles ; but when there is an angle that bends inwards, as at F, and you meafure... | |
| John Playfair - 1806 - 311 pagina’s
...if a side of a triangle, &c. QED "7^ COR. 1. All the interior angles of any rectilineal figure are **equal to twice as many right angles as the figure has sides,** wanting four right angles. For any rectilineal figure ABCDE can be divided into as many triangles as... | |
| Euclid, Robert Simson - 1806 - 518 pagina’s
...D, 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... | |
| 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 - 493 pagina’s
...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, but... | |
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