| College of preceptors - 1882 - 528 pages
...referred to. 5. 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. The opposite sides and angles of a parallelogram are equal ; and the diameter bisects the parallelogram.... | |
| 1882 - 376 pages
...angles; and that all the interior angles of any rectilineal n'gure, together with four right angles, **are equal to twice as many right angles as the figure has sides.** 3. If the square described upon one of the sides of a triangle is equal to the squares described upon... | |
| Education, Higher - 1882 - 498 pages
...every respect. 4 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.** 5. Equal triangles upon equal bases in the same straight line and towards the same parts are between... | |
| 1882 - 480 pages
...it is shown that all the internal angles of any rectilineal figure, together with four right angles, **are equal to twice as many right angles as the figure has sides** ; also, that all the external angles of any rectilineal figure formed by producing the sides in the... | |
| Joseph Hughes - Education - 1883 - 578 pages
...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... | |
| Education - 1883 - 658 pages
...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 - Euclid's Elements - 1883 - 426 pages
...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,... | |
| Euclides - 1883 - 176 pages
...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... | |
| Euclides - 1884 - 182 pages
...right angles, (I. 13) therefore all the interior angles, together with all the exterior angles of the **figure, are equal to twice as many right angles as the figure has sides.** But, by the foregoing Corollary, all the interior angles, together with four right angles, are equal... | |
| Euclides - 1884 - 214 pages
...angles as the figure has sides, Cor. I. and all the interior angles, with all the exterior angles, **are equal to twice as many right angles as the figure has sides,** Proved. Therefore all the interior angles, together with four right angles, are equal to all the interior... | |
| |