 | Robert Potts - Geometry, Plane - 1860 - 380 pages
...superficies is that which has 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, tne Straight line between them lies wholly in that suparficies. VHL A plane angle is the inclination... | |
 | Euclides - 1862 - 172 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 - 1863 - 122 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,... | |
 | Edward Vansittart Neale - Natural law - 1863 - 280 pages
...line, which will be considered below. (4) The force of the ancient definition of a plane surface, viz., "that in which, any two points being taken, the straight line between them lies wholly in that surface," becomes apparent. Trendelenberg has suggested that the thought of a plane surface is obtained... | |
 | Euclides - 1863 - 74 pages
...thickness. 6. The extremities of a superficies are lines. 7. A plane surface, (planus, level, flat,) is that in which any two points being taken, the straight line joining them lies wholly in that surface. — HERON. „ " A plane surface is that which lies evenly,... | |
 | Euclides - 1864 - 262 pages
...breadth. VI. The extremities of a superficies are lines. VII. A plane superficies is that in which any *wo points being taken, the straight 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,... | |
 | Euclides - 1864 - 448 pages
...breadth. VI. The extremities of a superficies are lines. vn. A plane superficies is that in which any +wo points being taken, the straight 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,... | |
 | Robert Potts - 1865 - 528 pages
...superficies is that which has 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. VIII. A plane angle is the inclination of two lines to each other in a plane, which meet together,... | |
 | Euclides - 1865 - 402 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 - 1865 - 80 pages
...surface are lines, and the intersections of one surface with another are also lines. 6. A PLANE SURFACE is that in which any two points being taken, the straight line between them lies wholly in that surface. Cor. Hence if two plane surfaces coincide in more than two points not iu the same straight... | |
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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. 
