 | David Eugene Smith - 1911 - عدد الصفحات: 358
...will pass to the next definition and consider this one in connection therewith. 9. RECTILINEAR ANGLE. When the lines containing the angle are straight, the angle is called rectilinear. This definition, taken with the preceding one, has always been a subject of criticism.... | |
 | David E. Smith - 1958 - عدد الصفحات: 756
...intersecting a straight line in space.2 Angle. Euclid's definitions of an angle are as follows : A plane angle is the inclination to one another of two...meet one another and do not lie in a straight line. And when the lines containing the angle are straight, the angle is called rectilineal. This excludes... | |
 | G.E. Martin - 1997 - عدد الصفحات: 536
...are lines. 7. A plane surface is a surface which lies evenly with the straight lines on itself. 8. A plane angle is the inclination to one another of two...angle are straight, the angle is called rectilineal. 10. When a straight line set up on a straight line makes the adjacent angles equal to one another,... | |
 | Daniel Pedoe - 1983 - عدد الصفحات: 338
...on itself. 7. A plane surface is a surface which lies evenly with the straight lines on itself. 8. A plane angle is the inclination to one another of two...angle are straight, the angle is called rectilineal. 10. When a straight line set up on a straight line makes the adjacent angles equal to one another,... | |
 | Daniel Pedoe - 1988 - عدد الصفحات: 468
...are lines. 7 A plane surface is a surface which lies evenly with the straight lines on itself. 8 A plane angle is the inclination to one another of two...angle are straight, the angle is called rectilineal. 10 When a straight line set up on a straight line makes the adjacent angles equal to one another, each... | |
 | Proclus - 1992 - عدد الصفحات: 432
...send down impressions of themselves. Vili. A plane angle is the inclination to one another of two Unes in a plane which meet one another and do not lie in a straight line. Some of the ancients put the angle in the category of relation, calling it the inclination either of... | |
 | Clark N. Glymour - 1997 - عدد الصفحات: 406
...are lines. 7. A plane surface is a surface that lies evenly with the straight lines on itself. 8. A plane angle is the inclination to one another of two lines in a plane that meet one another and do not lie in a straight line. 9. And when the lines containing the angle... | |
 | Saul Stahl - 1993 - عدد الصفحات: 320
...extremities of a plane surface are straight lines and that the surface lies evenly with them. 8. A plane angle is the inclination to one another of two...angle are straight, the angle is called rectilineal. It is clear from the above two definitions that Euclid has some interest in curvilinear angles, ie,... | |
 | Douglas M. Jesseph - 1993 - عدد الصفحات: 335
...that had a long history in geometry and was much discussed in Berkeley's day. According to Euclid, "A plane angle is the inclination to one another of two...meet one another and do not lie in a straight line" (Elements I, def. 8). This definition covers cases beyond the intersection of two straight lines. In... | |
 | John McCleary - 1994 - عدد الصفحات: 338
...arms. The next postulate deals with angles. We first recall a few more of Euclid's definitions: (8) A plane angle is the inclination to one another of two lines in the plane that meet one another and do not lie in a straight line. (9) And when the lines containing... | |
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A plane angle is the inclination to one another of two lines in a plane which meet one another and do not lie in a straight line. 
