 | Sir Henry Edward Landor Thuillier - Surveying - 1851 - 826 pages
...quadrilaterals. A Parallelogram is a quadrangle which has its opposite sides parallel. A Rhombus is a quadrangle which has all its sides equal, but its angles are not right angles. A Rhomboid is a quadrangle which has its opposite sides equal to one another, but all its sides are not equal, nor... | |
 | Euclides - Geometry - 1853 - 176 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. Rhombus. Rhomboid. XXXIII. A rhomboid is that which has its opposite sides equal to. one another, but... | |
 | Royal Military Academy, Woolwich - Mathematics - 1853 - 400 pages
...angles. 31. An oblong is that which has all its angles right angles, but has not all its sides equal. 32. A rhombus is that which has all its sides equal, but its 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... | |
 | Euclides - 1853 - 146 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... | |
 | Euclides - 1855 - 270 pages
...parallelogram] is that which has one angle a right angle, and the Eides which contain it equal. XXXII. A rhombus is that which has all its sides equal, but its angles are not right angles. This is also redundant ; for a rhombus is that which has one angle oblique, and the sides which contain... | |
 | Robert Rawson - 1856 - 178 pages
...XXXI. An oblong is that which has all its angles right angles, but has not all its sides equal. xxxn. 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 / 7 equal to one another, but all its sides... | |
 | John Playfair - Euclid's Elements - 1856 - 346 pages
...equal. 27. A rhombus is that which has all its sides equal, but its angles are not right angles. 28. 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. 29. All other four sided figures besides these, are called... | |
 | Elias Loomis - Conic sections - 1858 - 256 pages
...rectangle is that which has all its angles right ,r angles, but all its sides are not necessarily equal. A rhombus is that which has all its sides equal, but its angles are not right angles. A parallelogram is that which has its opposite sides parallel. A trapezoid is that which has only two... | |
 | Euclides - 1858 - 248 pages
...but not all its sides equal ; as B. The oblong is the same as the rectangle of Book II. 32. A rhombus has all its sides equal, but its angles are not right angles ; as C. 33. A rhomboid has its opposite sides equal to each other, but all its sides are not equal,... | |
 | Euclides - 1860 - 288 pages
...all its angles right angles, but has not all its sides equal, as R. 42. A rhombus is a quadrilateral which has all its sides equal, but its angles are not right angles, as B. 43. A parallelogram is a quadrilateral, of which the opposite sides are parallel, as P. 44. A... | |
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A rhombus, is that which has all its sides equal, but its angles are not right angles. 
