 Lines may be either straight, broken or curved. A straight line is one which has the same direction throughout its length. A straight line is also called a right line. A straight line is usually called a line simply, and when the word line occurs it is...  Teachers' Manual for Andrews' Tellurian Globe - Page 8by Howard H. Gross - 1885 - 78 pagesFull view - About this book
 | James Hayward - Geometry - 1829 - 218 pages
...conformity with the spirit of the remark here quoted, the three following definitions are adopted. A straight line is one which has the same direction throughout its whole extent. A plane angle is the inclination of two straight lines to each other. Parallel lines... | |
 | James B. Dodd - Arithmetic - 1852 - 410 pages
...length, breadth, or thickness. — A line is an extension in length, without breadth, or thickness. — A straight line, is one which has the same direction throughout its whole extent. — A curved line is one which continually changes its direction. $ 377. An Angle is... | |
 | George Roberts Perkins - Geometry - 1856 - 460 pages
...different directions exactly opposite, either of which may be regarded as the direction of the line. A Straight line is one which has the same direction throughout its whole extent. A Curved line is one which changes its direction at every point. Two straight lines are... | |
 | George Roberts Perkins - Geometry - 1860 - 472 pages
...different directions exactly opposite, either of which may be regarded as the direction of the line. A Straight line is one which has the same direction throughout its whole extent. A Cwved line is one which changes its direction at every point. Two straight lines are... | |
 | George Irving Hopkins - 1891 - 210 pages
...The majority of modern geometers, however, have substituted the following as stated by Newcomb; viz.: "A straight line is one which has the same direction throughout its whole length." Each is designed to express the idea of straightness, and not to convey it, for it is... | |
 | Drawing - 1892 - 56 pages
...in drawing it is indicated by a mark of the pencil or crayon, and represents an edge or an outline. A Straight Line is one which has the same direction throughout its length. It is the shortest distance between two points. A Curved Line is one which bends at every point,... | |
 | J. R. Bevis - Geometry - 1896 - 174 pages
...apart? APPENDIX. DEFINITIONS. 1. A point is that which has neither length, breadth, nor thickness. 2. A line is the path of a moving point. 3. A straight line is a line which does not change its direction. 4. A vertical line is a line having the direction of a... | |
 | James Morgan Rawlins - Arithmetic - 1899 - 458 pages
...problem. Time thus spent will produce good results. DEFINITIONS. 1. A Line has length, but no width. 2. A Straight Line is one which has the same direction throughout its whole length. It is the shortest distance between two points. 3. A Curved Line is one which changes... | |
 | Arthur Wesley Chase - Mechanical drawing - 1904 - 200 pages
...named by the lines bounding it, as FG HJ, Figure 43. Lines may be either straight, broken or curved. A straight line is one which has the same direction throughout its length, as KL, Figure 44. A straight line is also called a right line. A straight line is usually called... | |
 | Arthur Wesley Chase - Mechanical drawing - 1904 - 200 pages
...named by the lines bounding it, as FGHJ, Figure 43. Lines may be either straight, broken or curved. A straight line is one which has the same direction throughout its length, as KL, Figure 44. A straight line is also called a right line. A straight line is usually called... | |
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