 | 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 - 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... | |
 | 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... | |
 | William Somerville Orr - Science - 1854 - 534 pages
...rectangle is that which has all its four angles right angles, whether its sides Ьз equal or not. A rhombus is that which has all its sides equal, but its angles are not right angles. A rhomboid is that which has its opposite sides equal to one another, but all its sides are not equal,... | |
 | 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... | |
 | Elias Loomis - Conic sections - 1858 - 256 pages
...A 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,...vertices of two angles not adjacent to each other. ., Thus, AC, AD, AE are diagonals. A 19. An equilateral polygon is one which has all its sides equal.... | |
 | 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... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...oblong is that which has all its angles right angles, but has not all its sides equal. XXXH. A rhombus has all its sides equal, but its angles are not right angles. xxxm. A rhomboid has its opposite sides equal to each other, but all it* Bides are not equal, nor its... | |
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A rhombus, is that which has all its sides equal, but its angles are not right angles. 
