| John Playfair - Euclid's Elements - 1806 - 311 pages
...XXVI. An oblong is that which has all its angles right angles, but has not all its sides equal. XXVII. **A rhombus is that which has all its sides equal, but its angles are not right angles.** XXVIII. A rhomboid is that which has its opposite sides equal to one another, but all its sides are... | |
| Robert Simson - Trigonometry - 1806 - 518 pages
...XXXI. Aii oblong is that which has all its 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. A rhomboid is that which has its opposite sides equal to one another, but .all its sides are... | |
| John Playfair - 1819 - 317 pages
...An oblong, is that which has all its angles right angles, but has not all its sides equal. i XXVII. **A rhombus, is that which has all its sides equal, but its angles are not ' right angles.** - - _ . XXVIII. A rhomboid, is that which has its opposite sides equal to one another; but all its... | |
| George Lees - 1826 - 272 pages
...oblong, is that which has all its angles right angles, but has not all its sides equal. XXVIII — **A rhombus, is that which has all its sides equal, but its angles are not right angles.** XXIX. — A rhomboid, is that which has its opposite sides equal to one another. XXX.— All other... | |
| John Playfair - Circle-squaring - 1826 - 320 pages
...whieh has all its angles right angles, but has not all Its sides equal. XXVII. A rhombus, is that whieh **has all its sides equal, but its angles are not right angles.** XXVHI. A rhomboid, is that whieh has its opposite sides equal to one another., but all its sides are... | |
| Robert Simson - Trigonometry - 1827 - 513 pages
...XXXI. An oblong is that which has all its 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. SeeN. A rhomboid, is that which has its opposite sides equal to one another, but all its sides... | |
| John Playfair - Euclid's Elements - 1833 - 333 pages
...XXVI. An oblong, is that which has all its angles right angles, but has not-all its sides equal. xxvir. **A rhombus, is that which has all its sides equal, but its angles are** n»t right angles. XXVIII. A rhomboid, is that which has its opposite sides equal to one another,.... | |
| Euclid - 1835 - 540 pages
...XXXI. An oblong is that which has all its 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. A rhomboid is that which has its opposite sides equal to one another, but all its sides are... | |
| John Playfair - Euclid's Elements - 1835 - 316 pages
...rectangle, is that which has all its angles right angles, but has not all its sides equal. 26. A lozenge, or **rhombus, is that which has all its sides equal, but its angles are not right angles.** 27. A parallelogram, or rhomboid, is that which has its opposite sides parallel, but all its sides... | |
| Euclid - Geometry - 1837 - 410 pages
...which has all its sides equal, and all its angles right angles. " A rhombus is a four-sided figure **which has all its sides equal ; but its angles are not right angles."** The latter of these is a correct definition of the figure ; but it does not point the rhombus out as... | |
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