| Joseph Hughes - Education - 1883 - 568 pages
...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... | |
| Education - 1883 - 654 pages
...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 - 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
...COROLLARY 1. — THEOREM. All the interior angles of any rectilineal figure, together ivith 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, by... | |
| Euclides - 1884 - 214 pages
...equal to two right angles, (I. 13.) Therefore all the interior angles, together with all the exterior **angles, are equal to twice as many right angles as the figure has sides.** (s.) Because all the interior angles, with four right angles, are equal to twice as many right angles... | |
| Stewart W. and co - 1884 - 272 pages
...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 - 148 pages
...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 - 204 pages
...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)... | |
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