| Euclides - 1855 - 262 pages
...each two acute angles, as will be shown in the sequel. XXX. Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles. This definition is redundant. If the general definition annexed to the 34th Prop, of this book be considered,... | |
| Noble Heath - 1855 - 468 pages
...having all its angles right angles, hut only its opposite sides equal. 107. The Pythagorean Tahle, which has all its sides equal, and all its angles right angles, is a square. As the divisions of its sides are also equal, suppose each to be 1 inch long : then, as... | |
| Charles W. Hackley - Engineering - 1856 - 530 pages
...contents, and is expressed in cubic feet, inches, <fcc, | Mensuration of Superficies. Square. Rectangle. :B A SQUARE is a quadrilateral figure, which has all its sides equal, and all its angles right angles. A RECTANGLE is a four-sided figure, which has its angles, right angles, and its opposite sides parallel.... | |
| Charles Haslett - 1855 - 544 pages
...solid contents, and is expressed in cubic feet, inches, <iu. mensuration of Superficies. Rectangle. A SQUARE is a quadrilateral figure, which has all its sides equal, and all its angles right angles. A RECTANGLE is a four-sided figure, which has its angles, right angles, and its opposite sides parallel.... | |
| Noble Heath - Arithmetic - 1856 - 472 pages
...having all its angles right angles, hut only its opposite sides equal. 107. The Pythagorean Table, which has all its sides equal, and all its angles right angles, is a square. As the divisions of its sides are also equal, suppose each to he 1 inch long : then, as... | |
| Robert Rawson - 1856 - 200 pages
...acute-angled triangle is that which has three acute s\ angles. " 7\ Of four-sided figures, a square is that which has all its sides equal, and all its angles right angles. XXXI. An oblong is that which has all its angles right angles, but has not all its sides equal. xxxn.... | |
| Thomas Cogswell Upham - Ethics - 1857 - 474 pages
...or brought out by a successive comparison of propositions. We say, for instance, that a square is a figure, which has all its sides equal, and all its angles right angles. In this definition there is not only involved equality of sides, but equality of angles. And it is... | |
| Charles Haslett, Charles William Hackley - Engineering - 1859 - 574 pages
...solid contents, and is expressed in cubic feet, inches, <fec. mensuration of Superficies. Rectangle. ! A SQUARE is a quadrilateral figure, which has all its sides equal, and all its angles right angles. A RECTANGLE is a four-sided figure, which has its angles, right angles, and its opposite sides parallel.... | |
| Euclides - 1860 - 288 pages
...if their sides are respectively equal, they are said to be equilateral. 40. A square is a four-sided figure which has all its sides equal, and all its angles right angles, as S. 41. An oblong or rectangle is a four-sided figure which has all its angles right angles, but... | |
| Alfred Newsom Niblett - 1861 - 204 pages
...figure, having its opposite sides parallel and equal. and admits of four varieties, viz: 1. The SQUARE. A square is a quadrilateral figure, which has all its sides equal, and all its angles right angles. N R.-A right angle is formed by two straight lines which are perpen. dicular to each other. An oblong... | |
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