| Euclides - 1855
...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 - 455 páginas
...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 Haslett - 1855
...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.... | |
| charles haslett - 1856
...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.... | |
| Noble Heath - 1856 - 455 páginas
...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
...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 - 1857 - 515 páginas
...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 - 1859 - 517 páginas
...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
...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
...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... | |
| |