| Henry Major - 1873
...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... | |
| John Clement Primroose ALDOUS - 1874 - 71 páginas
...ANGLES AND THE MEASUREMENT OF ANGLES. 1 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. This is one of Euclid's Definitions, which describes the nature of the angles treated... | |
| Edward Atkins - 1874
...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. Thus, the angle contained by the straight lines AB and EC is expressed either by... | |
| Euclides - 1874
...are not in the same straight line. A 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. NB When several angles are at one point B, either of them is expressed by three... | |
| Euclides - 1874
...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. 10. When a straight line standing on another straight line, makes the adjacent... | |
| Edward Atkins - 1876 - 119 páginas
...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. NOTE. — When several angles are at one point B, any one of them 13 expressed... | |
| Robert Potts - 1876 - 403 páginas
...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 btraight line. D NB If there be only one angle at a point, it may be expressed by a letter placed... | |
| Euclides - 1877
...them lies wholly in that superficies. 8. 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 generally expressed by three letters, the middle one of which must... | |
| Edward Atkins - 1877
...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. NOTE. — When several angles are at one point B, any one of them ia expressed... | |
| Isaac Todhunter - 1877 - 440 páginas
...to the reader, but we will draw attention to them. 12. An angle is the inclination of two straight **lines to one another which meet together, but are not in the** same straight line. Thus the two straight lines A 0, BO, which meet at O form an angle there. The angle... | |
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