| Edward Atkins - 1877 - 72 pages
...another in a plane, which meet together, but are not in the same direction. 9. A plane rectilineal **angle is the inclination of two straight lines to...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 by three letters, of... | |
| Isaac Todhunter - 1877 - 442 pages
...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 - 100 pages
...another, when their ijircumferences meet in any point, but do not cut one •ther. XV. A plane rectilineal **angle is the inclination of two straight lines to...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... | |
| Moffatt and Paige - 1879 - 428 pages
...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 straight lines to...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 - 228 pages
...circle ; but it cannot be contained within. fewer than three straight lines. X. A plane rectilineal **angle is the inclination of two straight lines to...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... | |
| Euclides - 1879 - 146 pages
...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 straight lines to...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... | |
| Education - 1900 - 1050 pages
...advantage will be found to lie with Euclid. I. DEFINITION OF AN ANGLE. Euclid: "A plane rectilineal **angle is the inclination of two straight lines to...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... | |
| Education - 1901 - 702 pages
...advantage will be found to lie with Euclid. I. DEFINITION OF AN ANGLE. Euclid : " A plane rectilineal **angle is the inclination of two straight lines to...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 - Euclid's Elements - 1880 - 426 pages
...another in a plane, which meet together, but are not in the same direction. 9. A plane rectilineal **angle is the inclination of two straight lines to...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... | |
| Marianne Nops - 1882 - 278 pages
...another in a plane, which meet together but are not in the same direction.' 9. ' A plane rectilineal **angle is the inclination of two straight lines to...meet together but are not in the same straight line.'** Def. S includes angles formed by two curved lines, or a straight and a curved line. With these we shall... | |
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