 | Euclid, Thomas Tate - 1849 - 120 pages
...plane, which meet together, but are not in the same direction." IX. A plane rectilineal angle is the inclination of two straight lines to one another,...line. NB "When several angles are at one point B, anyone of them is expressed by three letters, of which the letter that is at the vertex of the angle,... | |
 | Sir Henry Edward Landor Thuillier - Surveying - 1851 - 826 pages
...taken, the straight line between them lies wholly in that superficies. A plane rectilineal angle is the inclination of two straight lines to one another,...together, but are not in the same straight line.* When a straight line standing upon another straight line makes the adjacent angles equal to one another,... | |
 | Euclides - 1852 - 152 pages
...rectilineal angle; Jig. 2., plane angle, not rectilineal.] Fig. 1. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. IX. NB " When several angles are at one point B, any one of them is expressed by three letters, of... | |
 | Royal Military Academy, Woolwich - Mathematics - 1853 - 400 pages
...plane, which meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two straight lines to one another,...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, of which the... | |
 | John Drew - Astronomical instruments - 1853 - 386 pages
...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 angles,... | |
 | Euclides - 1855 - 270 pages
...put in brackets, as useless, and unnecessary to be remembered. .IX. A plane rectilineal angle is the inclination of two straight lines to one another,...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) each other,... | |
 | Euclides - 1858 - 248 pages
...opening of two lines from their point of meeting, or of intersection. 9. A plane rectilineal angle is the inclination of two straight lines to one another,...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 or of intersection,... | |
 | 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 one man stands... | |
 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...plane, which meet together, but are not in the same straight line. IX. A plane rectilineal angle is the inclination of two straight lines to one another,...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 that point, as the... | |
 | John Playfair - Geometry - 1860 - 334 pages
...the straight line between them lies wholly in that superficies. 6. A plane rectilineal angle is the inclination of two straight lines to one another,...which meet together, but are not in the same straight linn. E NB ' When several angles are at one point B, any one of them is expressed by three letters,... | |
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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. 
