| Charles Davies - Geometry - 1850 - 236 pages
...twice as many right angles as the polygon has sides. But the sum of all the interior angles together **with four right angles, is equal to twice as many right angles as the** polygon has sides (Th. xxi) : that is, equal to the sum of all the inward and outward angles taken... | |
| Charles Davies - Geometry - 1850 - 218 pages
...twice as many right angles as the polygon has sides. But the sum of all the interior angles together **with four right angles, is equal to twice as many right angles as the** polygon has sides (Th. xxi) : that is, equal to the sum of all the inward and outward angles taken... | |
| Thomas Baker - Railroads - 1850 - 218 pages
...taking the angles or measuring the lines. But since the sum of all the interior angles of a polygon **is equal to twice as many right angles as the figure has sides,** lessened by four right angles, and since the given figure has five sides, the sum of all its five interior... | |
| 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... | |
| Great Britain. Committee on Education - 1850 - 914 pages
...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... | |
| Janet Taylor - Nautical astronomy - 1851 - 702 pages
...angles, 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,... | |
| Ralph Smyth, Sir Henry Edward Landor Thuillier - Surveying - 1851 - 828 pages
...figure has sides" or in other words that — In any rectilineal figure, the sum of all the interior **angles, is equal to twice as many right angles as the figure has sides,** less four right angles. This forms the basis on which the Revenue Survey operations in India are conducted.... | |
| sir Henry Yule - 1851
...any polygon may be found from the property of such figures, that the sum of the angles of any polygon **is equal to twice as many right angles as the figure has sides,** less four. The following technical terms require explanation : — A Salient Angle is one directed... | |
| John William Colenso (bp. of Natal.) - 1851
...Cor. 1, that ' 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.'** Hence if и be the number of sides of any rectilineal figure, we have the sum of its n angles + 4 x... | |
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