| Euclides - 1858 - 248 pages
...equal to two rt. angles. Ax. 3. If equals be taken from equals, the remainders are equal. Def. 30. **Of four-sided figures a square is that which has all its sides equal, and all its angles** rt. angles. B Given the st. line A 15 ; it is required to draw a square on AB. From A draw AC at rt.angles... | |
| 1858 - 402 pages
...with'all his 'cuteness, has cut his own fingers repeatedly, and will to the end of the chapter. xxv. **Of four-sided figures, a square is that which has all its sides equal, and** 234 THE TBA1X. all its angles ri^ht angles. No nearer approach to a regular square in character, has... | |
| Charles Haslett - Engineering - 1859 - 572 pages
...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.... | |
| Robert Potts - Geometry, Plane - 1860 - 380 pages
...triangle is that which has three acute angles. XXX. Of quadrilateral or four-sided figures, a square **has all its sides equal and all its angles right angles....angles right angles, but has not all its sides equal.** XXXH. A rhombus has all its sides equal, but its angles are not right angles. xxxm. A rhomboid has... | |
| Euclides - 1860 - 288 pages
...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
...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... | |
| Euclides - 1862 - 172 pages
...which has an obtuse angle. XXIX. An acute-angled triangle, is that which has three acute angles. XXX. **Of four-sided figures, a square is that which has...angles right angles, but has not all its sides equal.** XXXII. A rhombus, is that which has all its sides equal, but its angles are not right angles. XXXIII.... | |
| Euclides - 1862 - 140 pages
...that which has an obtuse angle. 29. An acute-angled triangle is that which has three acute angles. 30. **Of four-sided figures, a square is that which has...its sides equal, and all its angles right angles.** 31. An oblong is that which has all its angles right angles, but not all its sides equal. 32. A rhombus... | |
| Euclides - 1863 - 122 pages
...an obtuse ./f xxrx. An acute-angled triangle is that which has three acute ./\ angles. ^-—t XXX. **Of four-sided figures, a square is that which has...oblong is that which has all its angles right angles,** I but has not all its sides equal. ' L- 1 A rhombus is that which has all its sides equal, but its... | |
| Euclides - 1864 - 448 pages
...triangle is that which has three acute angles. XXX. Of quadrilateral or four-sided figures, a square **has all its sides equal and all its angles right angles....angles right angles, but has not all its sides equal.** XXXII. A rhombus has all its sides equal, but its angles are not right angles. XXXIII. A rhomboid has... | |
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