| 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, Plane - 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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