| Alfred Hubert Haines, A. F. Hood Daniel - 1915 - 360 Seiten
...fulfilled :— 1. All the interior deduced or observed angles together with four right angles must be **equal to twice as many right angles as the figure has sides.** 2. The northings must equal the southings. 3. The eastings must equal the westings. In ordinary traverse... | |
| John Whitelaw - 1916 - 516 Seiten
...measurements before leaving the ground, as " the sum of the interior angles of any rectilinear figure is **equal to twice as many right angles as the figure has sides,** less four right angles." In the case of Fig. 73, as the figure is four-sided the sum of the interior... | |
| David Wells Payne - 1917 - 676 Seiten
...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... | |
| James Park - 1922 - 598 Seiten
...iii . . . . 141 12 iv .... 66 40 Total . 360° 00' And the sum of the internal angles of a polygon is **equal to twice as many right angles as the figure has sides,** less four right angles. Our figure has four sides, .-. 90(4x2) -(4x90) =360°, which agrees with the... | |
| John Whitelaw - 1924 - 646 Seiten
...measurements before leaving the ground, as " the sum of the interior angles of any rectilinear figure is **equal to twice as many right angles as the figure has sides,** less four right angles." In the case of Fig. 73, as the figure is four-sided the sum of the interior... | |
| Canadian Mining Institute - 1912 - 778 Seiten
...know from Euclid that the sum of the interior angles of any closed figure bounded by straight lines is **equal to twice as many right angles as the figure has sides** less four right angles; figure A has 12 sides, therefore, the interior angles are equal to 20 right... | |
| Hippolyte Taine - 1998 - 596 Seiten
...together equal to four right angles ; hence it follows that the polygon contains a number of angles which, **together with four right angles, are equal to twice as many right angles as** there are sides. — Here the explanatory intermediate is a character comprised in all the elements... | |
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