| Euclides - 1852
...end of the produced line to the end of the base. COB. 3. 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. 4. All the exterior angles of any rectilineal figure are together equal to four right angles.... | |
| Euclides - 1852
...that is a , together with four right angles. . 2 Cor Therefore all the angles of the figure, XT - *• **together with four right angles, are equal to twice as many right angles as the figure has** sides. [The triangle furnishes an instance of this, for all its angles are together equal to two right... | |
| Euclides - 1853
...Wherefore, if a side of any triangle, &c. QED COE. 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,... | |
| Euclides - Geometry - 1853 - 147 pages
...triangles : that is (i. 15, cor. 2), together with four right angles. Therefore all the angles of the **figure, together with four right angles, are equal to twice as many right angles as the figure has** sides. Сод. 2. All the exterior angles of any rectilineal figure are together equal to four right... | |
| Euclid - Geometry - 1853 - 136 pages
...internal angles, are equal to twice as many right angles as the figure has sides; but the internal angles, **together with four right angles, are equal to twice as many right angles as the figure has** sides (6); take away from both the internal angles, and the external angles remain, equal to four right... | |
| Euclides - Geometry - 1853
...the angles of the polygon together with four right angles. But all the angles of the polygon GHKLM **together with four right angles are equal to twice as many right angles as the** polygon has sides (i. 32. Cor. i), that is, as there are plane angles constituting the solid angle... | |
| Royal Military Academy, Woolwich - Mathematics - 1853
...angles. Wherefore, if a side of a triangle, etc. QED COR. 1. All the interior angles of any rectilineal **figure, together with four right angles, are equal to twice as many** D right angles as the figure has sides. E.«=^lT"\~~-^, \ 4C-\ For any rectilineal figure ABCDE can... | |
| Popular educator - 1854
...tiungles are equal to twice as many right anales as the figure has sides. Therefore all the angles of the **figure together with four right angles are equal to twice as many right** ung'es as the figure has sides. Corollary 2. All the exterior angles of any rectilineal figure, made... | |
| Euclides - 1855
...triangles are equal to twice as many right angles as the figure has sides. Therefore all the angles of the **figure together with four right angles are equal to twice as many right angles as the figure has** sides. СOR. 2. — All the exterior angles of any rectilineal figure, made by producing the sides... | |
| Euclides - 1856
...opposite side to the obtuse angle. XV.— EUCLID I. 32, Cor. 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 rectilinear figure ABCDE (Fig. 10) can be divided into as many triangles as the figure... | |
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