| Robert Simson - 1804 - عدد الصفحات: 530
...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... | |
| John Playfair, Euclid - 1804 - عدد الصفحات: 468
...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 - عدد الصفحات: 546
...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 - عدد الصفحات: 502
...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 - عدد الصفحات: 320
...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 - عدد الصفحات: 542
...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 - عدد الصفحات: 554
...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 - عدد الصفحات: 560
...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 - عدد الصفحات: 588
...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 - عدد الصفحات: 350
...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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