 | Alfred Hiley - 1879 - 228 pages
...it cannot be 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 BAC, or, as... | |
 | Education - 1901 - 702 pages
...be found to lie with Euclid. I. DEFINITION OF AN ANGLE. Euclid : " A plane rectilineal angle is the inclination of two straight lines to one another,...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
...plane, which meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two straight lines to one another,...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... | |
 | Education - 1900 - 1050 pages
...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 one another,...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 - 1882 - 1112 pages
...triangles. For this purpose, Euclid's definition is of little use. "A plane rectilineal angle is the inclination of two straight lines to one another,...together, but are not in the same straight line." For, replies the boy, "What is the meaning of 'the inclination of two straight lines to one another?... | |
 | Marianne Nops - 1882 - 278 pages
...plane, which meet together but are not in the same direction.' 9. ' A plane rectilineal angle is the inclination of two straight lines to one another,...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... | |
 | Henry Barnard - Education - 1882 - 1112 pages
...triangles. For this purpose, Euclid's definition is of little use. "A plane rectilineal angle is the hest improvement ; whereas I think there are a great...natural defects in the understanding capable of amen For, replies the boy, "What is the meaning of ' the inclination of two straight lines to one another?... | |
 | Edwin Abbott Abbott - Domestic education - 1883 - 236 pages
...triangles. For this purpose Euclid's definition is of little use. "A plane rectilineal angle is the inclination of two straight lines to one another,...meet together but are not in the same straight line." For, replies the boy, " What is the meaning of ' the inclination of two straight lines to one another... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 428 pages
...the straight line between them lies wholly in that superficies. 9. A plane rectilineal angle is the inclination of two straight lines to one another,...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... | |
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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. 
