| 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 - 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... | |
| Marianne Nops - 1882 - 278 pages
...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... | |
| 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.... | |
| 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... | |
| 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... | |
| 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... | |
| Woolwich roy. military acad - 1884 - 148 pages
...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,... | |
| Euclides - 1884 - 182 pages
...are equal to the angles of all the triangles. But it has been proved that the angles of the triangles **are equal to twice as many right angles as the figure has sides.** Therefore all the angles of the figure, together with four right angles, are equal to twice as many... | |
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