 | Septimus Tebay - Measurement - 1868 - 168 pages
...between them lies wholly in that superficies. 7. 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. TM 1 f. Thus, the angle at A is contained by the two straight lines AB, AC ; and is... | |
 | Isaac Todhunter - Measurement - 1869 - 312 pages
...we shall only consider lines and figures on a plane surface. 4. An angle is the inclination of two straight lines to one another which meet together, but are not in the same Thus the two straight lines AO, BO, which meet at O, form an angle there. The angle is not altered... | |
 | Alfred Hiley - 1871 - 184 pages
...contained within fewer than three straight lines. X. 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 two straight lines CA and BA, meeting together at the point A, make the angle... | |
 | William Alexander Myers - Circle-squaring - 1873 - 238 pages
...together, but are not in the same direction. 22. 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. 23. A THEOREM is a truth requiring demonstration. 24. An AXIOM is a self-evident truth.... | |
 | Henry Major - Student teachers - 1873 - 588 pages
...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, 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 standing... | |
 | Edward Atkins - 1874 - 428 pages
...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, but are not in the same straight line. Thus, the angle contained by the straight lines AB and EC is expressed either by ABC... | |
 | Euclides - 1874 - 120 pages
...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, but are not in the same straight line. 10. When a straight line standing on another straight line, makes the adjacent angles... | |
 | Euclides - 1874 - 342 pages
...together, but 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 letters,... | |
 | John Clement P. Aldous - 1874 - 104 pages
...CHAPTER L 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... | |
 | Robert Potts - Geometry - 1876 - 446 pages
...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, 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 at... | |
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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. 
