| Walter Percy Workman - Geometry - 1908
...angles ; and in any convex polygon the sum of the interior angles, together with four right angles, is **equal to twice as many right angles as the figure has sides** (Euc. I. 32, Cor.) 110 Congruence. CI — If two triangles have two sides and the included angle in... | |
| Henry Sinclair Hall - 1908
...42 COR. 1. All the interior angles of any rectilineal figure, 2 together with four right angles, are **equal to twice as many right angles as the figure has sides.** 44 COR. 2. If the sides of a rectilineal figure, which has no re-entrant angle, are produced in order,... | |
| Euclid - Mathematics, Greek - 1908
...assume the proposition that the interior angles of a convex polygon together with four right angles are **equal to twice as many right angles as the figure has sides.** Let there be any convex polyhedral angle with V as vertex, and let it be cut by any plane meeting its... | |
| Geometry, Plane - 1911 - 178 pages
...whose altitude is 3 inches. SEPTEMBER, 1909 1. The sum of all the interior angles of any polygon is **equal to twice as many right angles as the figure has sides,** less four right angles. 2. The angle between two chords which intersect within a circle is measured... | |
| Alfred Hubert Haines, A. F. Hood Daniel - Building - 1915 - 339 pages
...right always, when possible, with the theodolite. of the exterior angles minus four right angles ia **equal to twice as many right angles as the figure has sides.** We thus have a check upon the angles of the traverse. Set up and level the theodolite at the station... | |
| David Wells Payne - Founding - 1917 - 676 pages
...to corresponding angles are proportional. (6) In any polygon, the sum of all the interior angles is **equal to twice as many right angles as the figure has sides,** less four right angles. (7) In any polygon the sum of all the exterior angles is equal to four right... | |
| Hippolyte Taine - Psychology - 1998 - 588 pages
...by 9. Every convex polygon contains a number of angles which, together with four right angles, are **equal to twice as many right angles as the figure has sides.** Here are two laws in which the first datum is a sum of separable data; in fact, the written number... | |
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