 | 1801 - 446 sider
...Lines are either right, or curved, or mixed of these two. 6. A right line, or straight line, lies all in the same direction between its extremities, and is the shortest distance between two points. 7. A curve continually changes its direction between its extreme points. 8. Lines are either parallel,... | |
 | Isaac Dalby - 1807 - 476 sider
...thickness. The bounds of a solid are surfaces. 6. A right line, or straight line, is that which lies all in the same direction between its extremities ; and is the shortest distance between two points. 7. A plane, or plane superficies, is that in which any two points being taken, the right line between... | |
 | Charles Hutton - 1818 - 646 sider
...Lines are either Right, or Curved, or Mixed of these two. 6. A Right Line, or Straight Line, lies all in the same direction, between its extremities ; and is the shortest distance between two points. When a line is mentioned simply, it means a Right Line. 7. A Curve continually changes its direction... | |
 | Charles Hutton - 1822 - 616 sider
...Lines are either Right, or Curved, or Mixed of these two. 6. A Right Line, or Straight Line, lies all in the same direction, between its extremities ; and is the shortest distance between two points. When a line is mentioned simply, it means a Right line. 7. A Curve continually changes its direction... | |
 | Anthony Nesbit, W. Little - 1822 - 916 sider
...thickness. 3. Lines are either right, curved, or parallel. 4. A right or straight line lies wholly in the same direction between its extremities, and is the shortest distance between two points. 5. A curved line continually changes its direction between its extremities. 6. Parallel lines always... | |
 | Anthony Nesbit - 1824 - 476 sider
...thickness. 3. Lines are either right, curved, or parallel. 4. A right or straight line lies wholly in the same direction between its extremities, and is the shortest distance between two points. , . 5. A curved line continually changes its direction between its extremities. 6. Parallel lines always... | |
 | Edward Shaw - 1832 - 402 sider
...of surfaces, and points the extremities of lines. 6. Lines are either right, curved, or mixed, as E. 7. A right or straight line lies in the same direction...is the shortest distance between two points. 8. A curre continually changes its directions between its extreme points, as F. 9. Lines are either parallel,... | |
 | William Grier - 1832 - 366 sider
...Lines are either Right, or Curved, or mixed of these two. & A Right Line, or Straight Line, lies all in the same direction, between its extremities ; and is the shortest distance between two points. When a line is mentioned simply, it means a Right Line. 7. A Curve continually changes its direction... | |
 | 1835 - 398 sider
...Lines are either Right or Curved, or Mixed of these two. 6. A Right Line, or Straight Line, lies all in the same direction between its extremities, and is the shortest distance between two points. When a line is mentioned simply, it means a right line. 7. A Curve continually changes its direction... | |
 | Edward Shaw - 1836 - 438 sider
...of surfaces, and points the extremities of lines. 6. Lines are either right, curved, or mixed, as E. 7. A right or straight line lies in the same direction...extremities, and is the shortest distance between two points. 9 8. A curve continually changes its directions between its extreme points, as F. 9. Lines are either... | |
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Line, or Straight Line, lies all in the same direction between its extremities, and is the shortest distance between two points. 
