| Robert Simson - 1804
...together with the angles at Cor. the point F which is the common Vertex of the triangles; that is », 1' **together with four right angles. Therefore all the...together with four right angles, are equal to twice as** manyright angles as the figure has fides. CoR. 2. All the exterior angles of any rectilineal figure... | |
| Euclid, John Playfair - 1804 - 440 Seiten
...right angles as there are triangles b ; that is, as there are fides in the figure BCDEF ; and becaufe **all the angles of the figure, .together with four right angles, are** likewise equal to twice as many right angles as there are fides in the c i. cor. figure c ; therefore... | |
| Robert Simson - 1806 - 518 Seiten
...at the point a 2. Cor. F, which is the common vertex of the triangles ; that is », to15. 1. gether **with four right angles. Therefore all the angles of...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... | |
| Thomas Hodson - 1806 - 458 Seiten
...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 Seiten
...to all the angles of the figure, together with four right angles, that is, the angles of the figure **are equal to twice as many right angles as the figure has** sides, wanting four. COR. 2. All the exterior angles of any rectilineal figure are together equal to... | |
| Sir John Leslie - 1809 - 524 Seiten
...interior one 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,... | |
| Euclid - 1810 - 518 Seiten
...as many right angles as there are triangles, that is, as there are sides of the figure; and the same **angles are equal to the angles of the figure, together...equal to twice as many right angles as the figure has** sides. Con. 2. All the exterior angles of any rectilineal figure, are .together equal to four right... | |
| Euclides - 1814
...the same angles are equal to the angles of the figure, together with the angles at the point F, which **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.... | |
| Euclides - 1816 - 528 Seiten
...anglesat the point F, which , "2 Cor. is the common vertex of the triangles : that is a, together is. 1. **with four right angles. Therefore all the angles of...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... | |
| John Playfair - 1819 - 333 Seiten
...angles as there are triangles (32. 1.) ; that is, as there are sides in the figure BCDEF ; and because **all the angles of the figure, together with four right angles, are** likewise equal to twice as many right angles as there are sides in the figure (cor. 1. 32. 1.) ; therefore... | |
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