 | William Pease - Geometry - 1843 - 80 pages
...The extremities of a superficies are lines. Superficies are either Plane, Concave, or Convex. VII. A Plane Superficies is that in which any two points...line between them lies wholly in that superficies. Every plane superficies is completely flat or even, and is either Horizontal, Vertical, or an Inclined... | |
 | Euclid - Geometry - 1845 - 218 pages
...superficies is that which hath only length and breadth. VI. The extremities of a superficies are lines. VII. A plane superficies is that in which any two points...line between them lies wholly in that superficies. VIII. " A plane angle is the inclination of two lines to one " another in a plane, which meet together,... | |
 | Euclides - 1845 - 546 pages
...superficies is that which has only length and breadth. VI. The extremities of superficies are lines. VII. A plane superficies is that in which any two points...line between them lies wholly in that superficies. VIII. A plane angle is the inclination of two lines to each other in a plane which meet together, but... | |
 | Scottish school-book assoc - 1845 - 444 pages
...superficies is that which hath only length and breadth. 6. The extremities of a superficies are lines. 7- A plane superficies is that in which any two points...line between them lies wholly in that superficies. 8. A plane rectilineal angle is the inclination of two straight lines which meet in a point, but are... | |
 | Euclid, James Thomson - Geometry - 1845 - 382 pages
...the first book ; which for the sake of this proposition ought to be as follows : — A plane surface is that in which any two points being taken, the straight line passing through them lies wholly in I U. t Bin-face. duced to D ; and let any plane pass through AD,... | |
 | Euclides - 1846 - 292 pages
...superficies is that which hath only length and breadth. vi. The extremities of a superficies are lines. vn. A plane superficies is that in which, any two points...line between them lies wholly in that superficies. VIH. A plane angle is the inclination of two lines to one another in a plane, which meet together,... | |
 | Great Britain. Admiralty - Geometry - 1846 - 128 pages
...superficies is that which has only length and breadth. VI. The extremities of a superficies are lines. VII. A plane superficies is that in which any two points...line between them lies wholly in that superficies. VIII. A plane angle is the inclination of two lines to one another in a plane, which meet together,... | |
 | Euclid, John Playfair - Euclid's Elements - 1846 - 334 pages
...superficies are lines ; and the intersections of " one superficies with another are also lines." 5. A plane superficies is that in which any two points...line between them lies wholly in that superficies. 6. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together,... | |
 | Reynell Coates - Physics - 1846 - 692 pages
...point to another will be entirely within the surface. Hence the following definition. A plane surface is that in which any two points being taken, the straight line between them lies wholly within that surface. Such surfaces when considered indefinitely, are usually called simply — planes.... | |
 | Nathaniel Bowditch - 1846 - 854 pages
...RIGHT LINE, is the shortest distance between the two points which limit its length/is AC. 4 g III. A PLANE SUPERFICIES is that in which any two points being taken, the straight line between diem lies wholly in that surface. IV. PARALLEL LINES are such as are in the same plane, and 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. 
