 | William Minifie - 1890 - 298 ページ
...position without magnitude ; and it is therefore generally represented to the eye by a small dot, as at A. 2. A LINE is considered as length without breadth...curvature throughout, but varies at different points. £ is a regular waved line, the inflections on either side of the dotted line being equal; a waved... | |
 | George Watson Kittredge - 1896 - 448 ページ
...changes its direction at every point, or one of which no portion, howFig. l.—A Straight Line. ever small, is straight. It is therefore longer than a...straight line connecting the same points. Curved lines Fig. 2. — Curved Lines. are designated by letters or figures at their extremities and at intermediate... | |
 | 1926 - 536 ページ
...changes its direction at every point, or one of which no portion, howFig. l.—A Straight Line. ever small, is straight. It is therefore longer than a...straight line connecting the same points. Curved lines Fig. t.— Curved Lines. are designated by letters or figures at their extremities and at intermediate... | |
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A. 2. A LINE is considered as length without breadth or thickness, it is in fact a succession of points ; its extremities therefore, are points. Lines are of three kinds ; right lines, curved lines, and mixed lines. 3. A RIGHT LINE, or as it is more commonly... 