| Benjamin Donne - Geometry, Plane - 1775 - 338 pages
...four equal Sides, but its Angles not right Angles. 3337. A Rhomboïdes is that which has its. oppofite **Sides equal to one another, but 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,... | |
| Proclus (Diadochus.) - 1788 - 350 pages
...are not right Angles. " •. i I * " " DEFINITION XXXIIL A RHOMBOID is that which has its oppofite **Sides equal to one another, but all its Sides are not equal, nor its Angles Right Angles,** DEFINITION XXXIV. All other Quadrilateral Figures befldes thefe, are called TRAPEZIUMS. IT is requifite... | |
| John Playfair - Mathematics - 1806 - 320 pages
...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...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
...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...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
...j\ j\ A, I 1 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** fine another, but all its sides are not equal, nor its angles right angles. XXXIV. Book I. XXXIV. All... | |
| Friedrich Christian Accum - Crystallography - 1813 - 488 pages
...are all equal, but whose angles are not right angles, as Fig. 31. 31. A rhomboid is a parallelogram **which has its opposite sides equal to one another,...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
...XXXII. A rhombus, is that which has its sides equal, but its angles are not right angles. xxxiii. See N. **A rhomboid, is that which has its opposite sides equal...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
...A rhombus, is that which has its sides equal, but its angles are not right angles. XXX1II. . See N. **A rhomboid, is that which has its opposite sides equal...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 - 1819 - 354 pages
...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...sides are not equal, nor its angles right angles.** XXIX. All other four sided figures besides these, are called Trapeziums. XXX. Parallel straight lines,... | |
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