| Isaac Todhunter - 1877 - 440 ページ
...most of the common terms is probably known to the reader, but we will draw attention to them. 12. An **angle is the inclination of two straight lines to...meet together, but are not in the same straight line.** Thus the two straight lines AO, BO, which meet at 0 form an angle there. The angle is not altered by... | |
| Āryabhaṭa - 1878
...to touch one another, when their ijircumferences meet in any point, but do not cut one •ther. XV. **A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line.** NB In the figure subjoined B is an angle and is thus expressed : " Angle AB 0." A BC XVI. When a straight... | |
| Euclides - 1879
...lines, as well as that formed by two straight lines, and is not required in the first two books.] 9. **A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line.** [Thus the inclination of the lines OA, OB is called the angle AOB, or BOA, or the angle at O. O Observe... | |
| Moffatt and Paige - 1879
...two lines to each other in a plane, which meet together, but are not in the same straight line. 9. **A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line.** ANB — When several angles are at one point, B, either of them is expressed by three letters, of which... | |
| Alfred Hiley - 1879 - 188 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 BAC, or, as... | |
| W J. Dickinson - 1879 - 36 ページ
...respectively equal ? ' Answer him. 5. Explain clearly why the following definition is insufficient : — ' **A plane rectilineal angle is the inclination of two straight lines to one another.'** Define obtuse angle, isosceles triangle, rhomboid. 6. Define a plane superficies, a circle, an acute-angled... | |
| 1901
...think the balance of advantage will be found to lie with Euclid. I. DEFINITION OF AN ANGLE. Euclid : " **A plane rectilineal angle is the inclination of two...together, but are not in the same straight line."** Modern writers define this concept variously. Davies : " An angle is the amount of divergence of two... | |
| Isaac Todhunter - 1880 - 400 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.** Note. When several angles are at one point B, any one of them is expressed by three letters, of which... | |
| 1900
...think the balance of advantage will be found to lie with Euclid. I. DEFINITION OF AN ANGLE. Euclid: **"A plane rectilineal angle is the inclination of two...together, but are not in the same straight line."** Modern writers define this concept variously. Davies : " An angle is the amount of divergence of two... | |
| Pupil teachers - 1880
...respectively equal ?' Answer him. 5.Explain clearly why the following definition is insufficient: @' **A plane rectilineal angle is the inclination of two straight lines to one another.'** Define obtuse angle, isosceles triangle, rhomboid. 6 ・ De6neap @ anesuper 丘 c @ es ， ac 卜 d... | |
| |