 | Euclides - 1874 - 120 pages
...that which has an ohtuse angle. 29. An acute-angled triangle is that which has three acute angles. 30. Of four-sided figures, a square is that which has...its sides equal, and all its angles right angles. 81. An oblong is that which has all its angles right angles, but not all its sides equal. 32. A rhombus... | |
 | 1874 - 1020 pages
...the words of a writer whose " definitions " are generally regarded as not wanting in exactness : " An oblong is that which has all its angles right angles, but has not all its sides equal. "f Inasmuch, however, as we have no desire to incur the censure pronounced upon one who had recourse... | |
 | Euclides - 1874 - 342 pages
...quadrilateral or four-sided figures, a square has all its sides equal, and all its angles right angles. 31. An oblong is that which has all its angles right angles, but has not all its sides equal. 32. A rhombus has all its sides equal, but its angles are not right angles. 33. A rhomboid'has its... | |
 | Francis Cuthbertson - Euclid's Elements - 1874 - 400 pages
...angles of the polygon. A scalene triangle is one contained by three unequal straight lines. An oblong ' has all its angles right angles, but has not all its sides equal. A rhombus has all its sides equal, but its angles are not right angles. A trapezoid is a four-sided... | |
 | Edward Atkins - 1874 - 428 pages
...four-sided figures, a square is that which has all its sides equal, and all its angles right angles. 31. An oblong is that which has all its angles right angles, but not all its sides equal. 32. A rhombus is that which has all its sides equal, but its angles are not... | |
 | Edward Atkins - 1876 - 130 pages
...which has an obtuse angle: , 29. An acute-angled triangle is that which has three acute angles. 30. Of four-sided figures, a square is that which has...its sides equal, and all its angles right angles. 31. An oblong is that which has all its angles right angles, but not all its sides equal. / 7 32. A... | |
 | Robert Potts - Geometry - 1876 - 446 pages
...four-sided figures, a square has all its aides equal and all its angles right angles. ,•.'.! XXXL An oblong is that which has all its angles right angles, but has not all its tides equal. xxxn. A rhombus has all its sides equal, but its angles are not right angles. xxxnt A... | |
 | James Martin (of the Wedgwood inst, Burslem.) - 1876 - 334 pages
...— viz., the square, the rectangle, the rhombus, and th* rhomboid. 3. A square is a parallelogram which has all its sides equal, and all its angles right angles. Ex. ABCD. 4. A rectangle is a parallelogram which has only its opposite sides equal, but all its angles... | |
 | Edward Atkins - 1877 - 72 pages
...that which Las an obtuse angle. 29. An acute-angled triangle is that which Las three acute angles. 30. Of four-sided figures, a square is that which has...its sides equal, and all its angles right angles. 31. An oblong is that which has all its angles right angles, but not all its sides equal. 32. A rhombus... | |
 | Euclides - 1877 - 58 pages
...acute-angled triangle is a triangle which has three acute angles. 31. An oblong is a four-sided figure which has all its angles right angles, but has not all its sides equal. 32. A rhombus is a four-sided figure which has all its sides equal, but its angles are not right angles.... | |
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An oblong is that which has all its angles right angles, but has not all its sides equal. 
