 | Euclides - 1884 - 182 pages
...4. Describe a practical mode of testing evenness of surface, which illustrates Def. 7. 5. ANGLES. 8. A plane angle is the inclination of two lines to one...meet together, 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,... | |
 | Colin Arrott R. Browning - 1884 - 274 pages
...by fewer than three straight lines. (3) A Plane Rectilineal Angle is the inclination of two straight lines to one another in a plane which meet together but are not in the same straight line. When an angle is expressed by three letters, the middle letter is that which stands... | |
 | Euclides - 1884 - 214 pages
...lies wholly in that superficies. VIII. A plane angle is the inclination of two lines to each other in a 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, which meet together,... | |
 | George William Usill - Surveying - 1889 - 306 pages
...wholly in that surface. 2. Plane Angle.— A plane angle is the inclination of two lines to each other in a plane, which meet together, but are not in the same direction. Note. — This definition includes angles formed by two curved * The word trigonometry is derived from... | |
 | Edward Mann Langley, W. Seys Phillips - 1890 - 538 pages
...which any two points being taken, the straight line between them lies wholly in that superficies. 8. A Plane Angle is the inclination of two lines to one...meet together, but are not in the same direction. g. A Plane Rectilineal Angle is the inclination of two straight lines to one another, which meet together,... | |
 | Edward Travers Dixon - Geometry - 1891 - 180 pages
...illogically, for he never postulates or proves that the thing defined as a ' plane ' can exist. Next we read "A plane angle is the inclination of two lines to...meet together, but are not in the same direction." What does this mean ? If an angle is only another word for an inclination how does this definition... | |
 | Euclid, Henry Sinclair Hall, Frederick Haller Stevens - Euclid's Elements - 1900 - 330 pages
...perfect instruments are used. The definition of a surface is to be understood in a similar way. HsE A 8. A plane angle is the inclination of two lines to one another, which meet together, but are not in the same direction. [Definitions is not required in Euclid's Geometry,... | |
 | Euclid - Euclid's Elements - 1904 - 488 pages
...perfect instruments are used. The definition of a surface is to be understood in a similar way, 8. A plane angle is the inclination of two lines to one another, which meet together, but are not in the same direction. [Definition 8 is not required in Euclid's Geometry,... | |
 | Joseph H. Rose - Sheet-metal work - 1906 - 340 pages
...The extremities of a surface are lines. A plane rectilineal angle is the inclination of two straight lines to one another in a plane which meet together, but are not in the same straight line as in Fig. 1. Fig. 1. Fig. 2. When a straight line, standing on another straight line,... | |
 | Charles Westinghouse - Machine design - 1906 - 168 pages
...The extremities of a surface are lines. A plane rectilineal angle is the inclination of two straight lines to one another in a plane which meet together, but are not in the same straight line as in Fig. 34. When a straight line, standing on another straight line, makes the adjacent... | |
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A plane angle is the inclination of two lines to one another* in a plane, which meet together, but are not in the same direction. 
