| Marianne Nops - 1882
...two-thirds of a right angle or 60°. III. All the interior angles of any rectilineal figure added to **four right angles are equal to twice as many right angles as the figure has sides.** Now, any figure can be divided into as many triangles as it has sides by drawing lines from each of... | |
| Joseph Hughes - 1883
...abbreviations for words may be used.] 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.** See Corollary to Euclid I. 32. If the figure be equiangular and four interior angles be equal to seven... | |
| 1883
...abbreviations for irorJs may be used.] 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.** See Corollary to Euclid I. 32. If the figure be equiangular and four interior angles be e ]ual to seven... | |
| Euclid, Isaac Todhunter - 1883 - 400 sider
...Sic. QBD EUCLID'S ELEMENTS. COROLLARY 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** side?. For any rectilineal figure ABODE can be divided into as many triangles as the figure has sides,... | |
| Mathematical association - 1883
...two acute angles are complementary. THEOR. 26. All the interior angles of any convex polygon together **with four right angles are equal to twice as many right angles as the** polygon has sides. THEOR. 27. The exterior angles of any convex polygon made by producing the sides... | |
| Euclides - 1883 - 96 sider
...the base and from one another. COB. l.— The sum of the interior angles of any rectilineal figure is **equal to twice as many right angles as the figure has sides,** minus four right angles. Take any rectilineal figure, as ABCDEF, and take G, any point within it. Join... | |
| Stewart W. and co - 1884
...triangles; that is, 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.** XXXIII. — The straight lines which join the extremities of two equal and parallel straight lines,... | |
| Woolwich roy. military acad - 1884
...producing the given line. 1. Prove 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.** There are two regular polygons, the number of sides of one is double the number of sides of the other,... | |
| Palaestra Oxoniensis - 1884
...together equal to four right angles. (б) 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.** (6) All the exterior angles of any rectilineal figure are together equal to four right angles. (7)... | |
| Euclides - 1884
...are together equal to four right angles, I. 15 (Cor.). Therefore all the interior angles, together **with four right angles, are equal to twice as many right angles as the figure has sides.** Ax. 1. COROLLARY II. TO PROPOSITION XXXII. All the exterior angles of any rectilineal figure are together... | |
| |