| Euclides - 1883 - 176 pages
...extremities of 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... | |
| Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 426 pages
...Corollary 2. Therefore all the interior angles of the figure, together with four right angles, are **equal to twice as many right angles as the figure has sides.** COROLLARY 2. All the exterior angles of any rectilineal figure are together equal to four right angles.... | |
| Education - 1883 - 658 pages
...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... | |
| Joseph Hughes - Education - 1883 - 578 pages
...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... | |
| Euclides - 1884 - 182 pages
...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.** QED EXERCISE XXXVIII. 1. If a figure be a pentagon, or five-sided, how many right angles make twice... | |
| Stewart W. and co - 1884 - 272 pages
...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,... | |
| Euclides - 1884 - 214 pages
...PROPOSITION XXXII. 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.** Any rectilineal figure can be divided into as many triangles as the figure has sides, by drawing straight... | |
| Palaestra Oxoniensis - 1884 - 204 pages
...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)... | |
| Woolwich roy. military acad - 1884 - 148 pages
...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,... | |
| Charles Davies, Adrien Marie Legendre - Geometry - 1885 - 538 pages
...eight right angles, or $ of one right angle. Cor. 4. In any equiangular polygon, any interior angle **is equal to twice as many right angles as the figure has sides, less four right angles,** divided by the mimber of angles. PROPOSITION XXVII. THEOREM. The sum of the exterior angles of a polygon... | |
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