 | Edward Clarke Lowe - 1866 - 172 ページ
...of two lines to one another in a plane, which meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. 10. When a straight line standing on another straight line makes the adjacent angles equal to one another,... | |
 | John Playfair - 1855 - 350 ページ
...which any two points being taken, the straight line between them lies wholly in that superficies. 6. A plane rectilineal angle is the inclination of two straight lines to on* another, which meet together, but are not in the same straight line. NB ' When several angles are... | |
 | Euclid, Isaac Todhunter - 1867 - 426 ページ
...but are not in the same direction. 9. A plane rectilineal angle is the inclination of two Btraight lines to one another, which meet together, but are not in the same straight line. Note. When several angles are at ene point B, any one of them is expressed by three letters, of which... | |
 | Septimus Tebay - 1868 - 168 ページ
...in which any two points being taken, the straight line between them lies wholly in that superficies. 7. A plane rectilineal angle is the inclination of...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 called the angle... | |
 | Robert Potts - 1868 - 434 ページ
...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...meet together, but are not in the same straight line. g, NB If there be only one angle at a point, it may be expressed by a letter placed at that point,... | |
 | Isaac Todhunter - 1869 - 312 ページ
...book ; in the first Three Sections we shall only consider lines and figures on a plane surface. 4. An angle is the inclination of two straight lines to...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... | |
 | Euclides - 1870 - 270 ページ
...of meeting, or of intersection. 9. A plane rectilineal angle (rectus, straight, and linea, a thread) is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. A plane rectilineal angle is the opening of two straight lines from their point of meeting or of intersection,... | |
 | Alfred Hiley - 1871 - 184 ページ
...as in the case of a circle ; but it cannot be contained within fewer than three straight lines. X. A plane rectilineal angle is the inclination of two...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 BAG, or, as... | |
 | 1871 - 800 ページ
...attended with the least difficulty y BO great is the privilege of genius. Even Euclid's definition, that ' a plane rectilineal angle is the inclination of two straight lines to one another? \ is criticised by that clear-headed and acute thinker, Professor Leslie. But if Professor Smith had... | |
 | William Alexander Myers - 1873 - 238 ページ
...of two lines to one another in a plane which meet together, but are not in the same direction. 22. A plane rectilineal angle is the inclination of two...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. 25. A PROBLEM... | |
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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. 
