 | Euclides - 1852 - 152 pages
...one straight line and two lines which are not straight lines, but curves.] VII. A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. VIII. " A plane angle is the inclination of two lines to one another in a plane,... | |
 | Popular educator - 1852 - 842 pages
...lines ; and surfaces intersect or cross each other in lines. A plane turf act, or plane, is a surface in which any two points being taken, the straight line between them lies wholly in that surface ; or, it is that surface with which a straight line wholly coincides, when applied... | |
 | Royal Military Academy, Woolwich - Mathematics - 1853 - 400 pages
...hath only length and breadth. 6. The extremities of a superficies are lines. 7. A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. 8. A plane angle is the inclination of two lines to one another in a plane, which... | |
 | Euclides - 1853 - 146 pages
...has only length and breadth. VI. The extremities of a superficies are lines. VII. A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. vm. "A plane angle is the inclination of two lines to one another in a plane,... | |
 | Euclides - Geometry - 1853 - 176 pages
...hath only length and breadth. VI. The extremities of a superficies are lines. VII. A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. VIII. A plane angk is the inclination of two lines to one another in a plane,... | |
 | J. A. Beil - 1855 - 756 pages
...that has length and breadth only) (Geom.) * Die Flache, Oberflciche * Surface,/. The plane surface (that in which any two points being taken the straight line between them lies wholly in that surface) * Die Ebenc, die ebene Flache « Plan, m. The curved surface (that which gives a curve,... | |
 | Electronic journals - 1854 - 816 pages
...than two right angles. 5. All straight lines are equal to one another. 6. A plane superficies is one in which any two points being taken, the straight line between them lies wholly in that superficies. (It is called in Euclid a definition, and is there redundant.) I need hardly add,... | |
 | Euclides - 1856 - 168 pages
...straight lines are such as are in the same plane, and being produced ever so far both ways do not meet. A plane surface is that in which any two points being...the straight line between them lies wholly within such surface. In neither of these cases does the definition exhibit a simple analysis of the essential... | |
 | Robert Rawson - 1856 - 178 pages
...hath only length and breadth, VI. The extremities of a superficies are lines. vn. A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. vin. " A plane angle is the inclination of two lines to one another in a plane,... | |
 | 1856 - 422 pages
...lines ; and surfaces intersect ot cross each other in lines. A plane turf act, or plane, is a surface in which any two points being taken, the straight line between them lies wholly in that surface ; or, it is that surface with which a ¡traiyht line wholly coincides, when applied... | |
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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. 
