| Euclides - 1848
...angles. 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.** COB. 2. All the exterior angles of any rectilineal figure, made by producing the sides successively... | |
| Elias Loomis - 1849 - 226 pagina’s
...that is, together with four right angles (Prop. V., Cor. 2). Therefore the angles of the polygon are **equal to twice as many right angles as the figure has sides,** wanting four right angles. Cor. 2. All the exterior angles of a polygon are together equal to four... | |
| Euclides - 1849
...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 ABODE can be divided into as many triangles as the figure has sides, by... | |
| Charles Davies - 1849 - 359 pagina’s
...to two right angles, taken as many times, less two, as the polygon has sides (Prop. XXVI.); that is, **equal to twice as many right angles as the figure has sides,** wanting four right angles. Hence, the interior angles plus four right Let the sides of the polygon... | |
| CHARLES DAVIS, L.L. D. - 1850
...triangles is equal to two right angles (Th. xvii) : hence, 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 is equal to four right angles (Th. ii. Cor. 3) ; and since... | |
| Charles Davies - 1850 - 216 pagina’s
...triangles is equal to two right angles (Th. xvii) : hence, 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 is equal to four right angles (Th. ii. Cor. 3) ; and since... | |
| Her MAjesty' Inspectors of schools - 1850
...Section I. 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.** 2. If the square described upon one side of a triangle be equal to the sum of the squares described... | |
| 1850
...proposition that all the interior angles of any rectilinear figure, together with four right angles, are **equal to twice as many right angles as the figure has sides** : and the dictum is equally true, too, in moral science — only in any particular case to dogmatize... | |
| Great Britain. Committee on Education - 1850
...Section I. 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.** 2. If the square described upon one side of a triangle be equal to the sum of the squares described... | |
| Janet Taylor - 1851 - 621 pagina’s
...being the two angles made by cne line meeting another. The sum of all the outward and inward angles, is **equal to twice as many right angles as the figure has sides; but the** sum of all the inward angles is equal to twice as man1 right angles as the figure has sides, wanting... | |
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