| Euclid, Isaac Todhunter - 1883 - 400 páginas
...them lies wholly in that superficies. 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. Note. When several angles are at one point B, any one of them is expressed by three... | |
| Euclides - 1883 - 96 páginas
...of the angle. Note. — Euclid defines a plane rectilineal angle as "the inclination of two straight **lines to one another, which meet together, but are not in the** same straight line." Here the synonym for angle, "the inclination of two straight lines," has this... | |
| Euclides - 1884
...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 direction. X. When a straight line, standing on another straight line, makes the adjacent angles... | |
| Stewart W. and co - 1884
...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. An angle is named from three or one letters, as ABC or B. X. When a straight line... | |
| Euclides - 1884
...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. Notice three points in which this last definition differs from the one before it.... | |
| George William Usill - 1889 - 272 páginas
...straight lines. 3 Plane Rectilineal Angle.— 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. Note. — When an angle is simply spoken of, a plane rectilineal angle is always... | |
| Edward Mann Langley, W. Seys Phillips - 1890 - 515 páginas
...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, but are not in the** same straight line. 10. When a straight line standing on another straight line makes the adjacent angles... | |
| George Irving Hopkins - 1891 - 179 páginas
...lines all lie in the same plane. 17. "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." —EUCLID. " An angle is a figure formed by two straight lines drawn from the... | |
| Florian Cajori - 1896 - 304 páginas
...might be readily proved from the axioms. He defines a plane angle as the " inclination of two straight **lines to one another, which meet together, but are not in the** same straight line," but leaves the idea of angle magnitude somewhat indefinite by his failure to give... | |
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