 | Euclides - Geometry - 1853 - 176 pages
...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... | |
 | Royal Military Academy, Woolwich - Mathematics - 1853 - 400 pages
...but are not in the same direction. 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. When several angles are at one point B, any one of them is expressed by three letters,... | |
 | Euclides - 1853 - 146 pages
...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 letters,... | |
 | Euclides - 1855 - 270 pages
...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 (cross)... | |
 | Robert Rawson - 1856 - 178 pages
...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 three... | |
 | Euclides - 1858 - 248 pages
...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 of meeting... | |
 | 1858 - 402 pages
...friendship is the concord between, or inclination of, a knave and a fool, or two sharpers, or two fools, to one another, which meet together, but are not in the same straight line, each working for himself. This is the plane rectilineal angle of common life. VII. When... | |
 | Isaac Todhunter - 1860 - 318 pages
...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 one... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...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 at... | |
 | S. M. Saxby - Nautical astronomy - 1861 - 136 pages
...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 AC at... | |
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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. 
