 | Great Britain. Admiralty - Geometry - 1846 - 128 pages
...inclination of two lines to one another in a plane, which meet together, but are not in the same direction. A plane rectilineal angle is the inclination of two straight lines to B one another, which meet together, but are not in the same straight line. NB When several angles are... | |
 | Euclides - 1847 - 128 pages
...accurate notion of their difference. The one is an external edge, the other an internal inclination. 9. A plane rectilineal angle is the inclination of two...the same straight line. NB — When several angles meet at a A point, each of them is indicated by three letters, of which the one at the vertex of the... | |
 | Euclides - 1848 - 52 pages
...inclination of two lines to each other in a plane which meet together, but not in the same straight line. IX. A plane rectilineal angle is the inclination of...meet together, but are not in the same straight line. X. When a straight line standing on another straight line, makes the adjacent angles equal to each... | |
 | Charles Richson - 1848 - 98 pages
...the horizontal. The angle on each side of the perpendicular is a right angle, DEFINITIONS.* — 1. "A plane rectilineal angle is the inclination of two...together, but are not in the same straight line." 2. "When a straight line standing on another straight line makes the adjacent angles equal to each... | |
 | Euclid, Thomas Tate - 1849 - 120 pages
...inclination of two lines to one another in a plane, which meet together, but are not in the same direction." IX. A plane rectilineal angle is the inclination of...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
...in which any two points being taken, the straight line between them lies wholly in that superficies. A plane rectilineal angle is the inclination of two...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
...same direction." [Fig. 1., plane rectilineal angle; Jig. 2., plane angle, not rectilineal.] Fig. 1. A plane rectilineal angle is the inclination of two...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
...of two lines to one another in a plane, which meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two...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... | |
 | Euclides - Geometry - 1853 - 334 pages
...a plane, which meet together in a point, but are not in the same direction. IX. A plane rectilinear angle is the inclination of two straight lines to one another, which meet together in a point, but are not in the same straight line. OBS. 1 . Unless the contrary be expressly stated,... | |
 | 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,... | |
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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. 
