| Calvin Franklin Swingle - 1906
...same straight line as in Fig. 34. Fi(. 34. Fig 35. When a straight line, standing on another straight **line, makes the adjacent angles equal to one another,...each of the angles is called a right angle and the** straight line which stands on the other is called a perpendicular to it as in Fig 35. Fig. 38. An obtuse... | |
| Joseph H. Rose - 1906 - 309 sider
...same straight line as in Fig. 1. Fig. 1. Fig. 2. When a straight line, standing on another straight **line, makes the adjacent angles equal to one another,...each of the angles is called a right angle and the** straight line which stands on the other is called a perpendicular to it as in Fig. 2. GEOMETEIIAI A... | |
| Charles Westinghouse - 1906 - 157 sider
...are not in the same straight line as in Fig. 34. When a straight line, standing on another straight **line, makes the adjacent angles equal to one another,...each of the angles is called a right angle and the** straight line which stands on the other is called a perpendicular to it as in Fig. 35. An obtuse angle... | |
| Henry Sinclair Hall - 1908
...also vertically opposite to one another. 7, When one straight line stands on another so as to make **the adjacent angles equal to one another, each of the angles is called a right angle • and** each line is said to be perpendicular to the other. AXIOMS, (i) If O is a point in a straight line... | |
| Euclid - 1908
...the angle ECF; [i. 8] and they are adjacent angles. But, when a straight line set up on a straight **line makes the adjacent angles equal to one another, each of the** equal ingles is right ; [Def. 10] therefore each of the angles DCF> FCE is right. Therefore the straight... | |
| David Eugene Smith - 1911 - 339 sider
...confine our attention to having the concept understood. 10. When a straight line set up on a straight **line makes the adjacent angles equal to one another, each of the** equal angles is right, and the straight line standing on the other is called a perpendicular to that... | |
| Calvin Franklin Swingle - 1913 - 1249 sider
...same straight line as in Fig. 34. Fig. 34. Fig. 35. When a straight line, standing on another straight **line, makes the adjacent angles equal to one another,...each of the angles is called a right angle and the** straight line which stands on the other is called a perpendicular to it as in Fig 35. Fig. 36. An obtuse... | |
| Rudy von Bitter Rucker - 1977 - 133 sider
...postulate is not clear until we have defined right angles: "When a straight line set up on a straight **line makes the adjacent angles equal to one another, each of the** equal angles is right." This postulate seems to be equivalent to the assumption that the things we... | |
| G.E. Martin - 1997 - 512 sider
...angle are straight, the angle is called rectilineal. 10. When a straight line set up on a straight **line makes the adjacent angles equal to one another, each of the** equal angles is right, and the straight line standing on the other is called a perpendicular to that... | |
| Daniel Pedoe - 1983 - 296 sider
...angle are straight, the angle is called rectilineal. 10. When a straight line set up on a straight **line makes the adjacent angles equal to one another, each of the** equal angles is right, and the straight line standing on the other is called a perpendicular to that... | |
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