 | Benjamin Donne - Geometry, Plane - 1775 - 338 pages
...3236. A Rbombush that which hath four equal Sides, but its Angles not right Angles. 3337. A Rhomboïdes is that which has its. oppofite Sides equal to one...all its Sides are not equal, nor its Angles right ones. 'Note. For a Definition of a Parallelogram, fee Art. 9738. Scholium. In moft Copies of Euclid,... | |
 | John Playfair - Mathematics - 1806 - 320 pages
...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 not equal, nor its angles right angles. XXIX. All other four sided figures besides these are called ziums. Book I. XXX. . 1 Parallel straight... | |
 | Robert Simson - Trigonometry - 1806 - 546 pages
...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 not equal, nor its angles richt angles. ' ' xxxiy. Book i. AH other four sided figures, besides these, are called trape- *- .v—... | |
 | Euclid - Geometry - 1810 - 554 pages
...angles are not right angles. XXXIII. A rhomboid, is that which has its opposite sides equal to fine another, but all its sides are not equal, nor its angles right angles. XXXIV. Book I. XXXIV. All other four sided figures besides these, are called trapeziums. XXXV. Parallel... | |
 | Friedrich Christian Accum - Crystallography - 1813 - 488 pages
...whose angles are not right angles, as Fig. 31. 31. A rhomboid is a parallelogram which has its opposite sides equal to one another, but all its sides are not equal, nor its angles right ones. See Fig. 32. 32. Fig. 33 is a trapezium. 33. Consequently every irregular quadrangle or quadrilateral,... | |
 | John Mason Good - 1813 - 714 pages
...equal, but its ansies ar* not right angles. 33. A rhomboid, is that which has its opposite si.les equ?! to one another, but all its sides are not equal, nor its angles right angles. 34. All other four sided ligures besides these, are called trapeziums. 35. Parallel straight lines,... | |
 | Euclides - 1814 - 560 pages
...equal, but its angles are not right angles. xxxiii. See N. A rhomboid, is that which has its opposite sides equal to one another, but all its sides are not equal, nor its angles right angles. XXXIV. All other four-sided figures besides these, are called Trapeziums. XXXV. Parallel straight lines,... | |
 | Euclides - 1816 - 588 pages
...equal, but its angles are not right angles. XXX1II. . See N. A rhomboid, is that which has its opposite sides equal to one another, but all its sides are not equal, nor its angles . right angles. ...,../ ." ,.-' A XXXIV. Boo* I. All other four-sided figures besides these, are called Trapeziums.... | |
 | John Playfair - Circle-squaring - 1819 - 350 pages
...aides equal, but its angles are not right angles. XXVIH. A rhomboid, is that which has its opposite sides equal to one another, but all its sides are not equal, nor its angles right angles. XXIX. All other four sided figures besides these, are called Trapeziums. XXX. Parallel straight lines,... | |
 | Peter Nicholson - Mathematics - 1825 - 1046 pages
...its sides equal, but it* angles are not right angles. 33. A rhomboid, is that which has its opposite sides equal to one another, but all its sides are not equal, nor its angles right angles. 34. All other four-sided figures besides these, are called Trapezinms. 35. Parallel straight lines,... | |
| |
A rhomboid, is that which has its opposite sides equal to one another, but all its sides are not equal, nor its angles right angles. 
