 | 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 - 486 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 - 568 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 - 654 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 - 428 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... | |
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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. 
