| Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 554 pages
...more than two points. PROPOSITION XVI. THEOREM * 6'6*. The sum of all the angles of any polygon is **twice as many right angles as the figure has sides, less four right angles.** GIVEN ABCDE, any polygon, having « sides. To PROVE — the sum of its angles is 2« — 4 right angles.... | |
| Queensland. Department of Public Instruction - Education - 1897 - 446 pages
...Show that all the interior angles of any rectilineal 7 figure, together with four right angles, are **equal to twice as many right angles as the figure has sides.** 4. Parallelograms on equal bases, and between the 18 same parallels, are equal in area. 5. The complements... | |
| Andrew Wheeler Phillips, Irving Fisher - Geometry, Modern - 1896 - 276 pages
...in more than two points. PROPOSITION XVI. THEOREM 6-6. The sum of all the angles of any polygon is **twice as many right angles as the figure has sides, less four** riglit angles. GIVEN ABCDE, any polygon, having n sides. To PROVE — the sum of its angles is in —... | |
| James Howard Gore - Geometry - 1898 - 232 pages
...interior angle (by 79) is equal to two right angles. That is, the sum of the interior and exterior angles **is equal to twice as many right angles as the figure has sides.** But by (125) the interior angles are equal to twice as many right angles as the figure has sides, less... | |
| Henry Sinclair Hall, Frederick Haller Stevens - Euclid's Elements - 1900 - 330 pages
...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 sides.** Let ABODE be any rectilineal figure. Take F, any point within it, and join F to each of the angular... | |
| Sidney Herbert Wells - Machine design - 1900 - 200 pages
...which says that " the interior angles of any straight lined figure together with four right angles are **equal to twice as many right angles as the figure has sides."** The most common of the regular polygons used in engineering designs are the pentagon (five-sided),... | |
| Arthur Thomas Walmisley - Leveling - 1900 - 344 pages
...of all the interior angles of any rectilineal figure, together with four right angles, are together **equal to twice as many right angles as the figure has sides.** In a traverse survey the number of stations should be as few as possible, and as much care should be... | |
| Virginia. Department of Education - Education - 1901 - 376 pages
...is 60 rods. Find its length and breadth. PLANE GEOMETBT. 1. The sum of all angles of any polygon is **twice as many right angles as the figure has sides, less four right angles.** 2. If any number of parallels intercept equal parts on one cutting line, they intercept equal parts... | |
| Education - 1901 - 548 pages
...two right angles. (2) All the interior angles of any rectilineal figure are together equal to iwice **as many right angles as the figure has sides less four right** ai gles. In any rectilineal figure which has five, or more than fivet sides, il three consecutive angles... | |
| John Whitelaw - Surveying - 1902 - 638 pages
...angular 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 angles is equal to 2 x... | |
| |