 | 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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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. 
