 | Euclides - 1853 - 146 Seiten
...but are not in the same direction." IX. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line. NB "When several angles are at one point B, any one of them is expressed by three... | |
 | John Drew - 1853 - 386 Seiten
...SJ Hersehel. PAKT III. PRACTICAL ASTRONOMY. DEFINITIONS. 205. 1. AN ANGLE is the inclination of two lines to one another, which meet together, but are not in the same direction. Since the principal part of Practical Astronomy consists in the right measurement of... | |
 | Euclides - 1853 - 176 Seiten
...but are not in the same direction. IX. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line. * NB — When several angles are at one point b, any one of them is expressed by... | |
 | Euclides - 1855 - 270 Seiten
...and unnecessary to be remembered. .IX. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line. When two straight lines meet at a point, so that if produced they would intersect... | |
 | Robert Rawson - 1856 - 178 Seiten
...not in the same direction." IX. A plane rectilineal angle is the \ i» inclination of two straight lines to one another, which meet together, but are not in the same straight line. NB — "When several angles are at one point B, any one of them is expressed by... | |
 | Euclides - 1858 - 248 Seiten
...point of meeting, or of intersection. 9. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line. A plane rectilineal angle is the opening of two straight lines from their point... | |
 | Robert Potts - 1860 - 380 Seiten
...are not in the same straight line. IX. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line. NB If there be only one angle at a point, it may be expressed by a letter placed... | |
 | Isaac Todhunter - 1860 - 318 Seiten
...angles are measured. A plane rectilineal angle is defined by Euclid as the inclination of two straight lines to one another which meet together, but are not in the same straight line. And when a straight line standing on another makes the adjacent angles equal to... | |
 | S. M. Saxby - 1861 - 136 Seiten
...direction." And (Book I. def. 9), " A plane rectilineal angle is the inclination of two right (or straight) lines to one another, which meet together, but are not in the same right line ;" so that, in the following figure the right Fig. 11. line AB meets the right line... | |
 | Thomas Percy Hudson - 1862 - 202 Seiten
...definition of an angle. Euclid defines a plane rectilineal angle to be the inclination of two straight lines to one another, which meet together but are not in the same straight line. He does not in his definition take into account the direction in which this inclination... | |
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A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line. 
