| Euclides - 1847
...continually diminishing to the verge of evanescence, and the theory and practice are easily reconciled. 7. **A plane superficies is that in which any two points being taken, the straight line** between them lies wholly in that superficies. A plane superficies is more fre- . quently called simply... | |
| Euclides - 1848
...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 being taken, the straight line** between them lies wholly in that superficies. VIII. A plane angle is the inclination of two lines to... | |
| Elias Loomis - Conic sections - 1849 - 226 pages
...line. E D 5. A surface is that which has length and breadth, without thickness. 6. A plane is a surface **in which any two points being taken, the straight line which joins them lies wholly in that** surface. 7. Every surface which is neither a plane, nor composed of plane surfaces, is a curved surface.... | |
| Euclides - 1849
...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 being taken, the straight line** between them lies wholly in that superficies. vm. " A plane angle ia the inclination of two lines to... | |
| Sir Henry Edward Landor Thuillier - Surveying - 1851 - 718 pages
...of a superficies are lines ; and the intersections of one superficies with another are also lines. **A plane superficies is that in which any two points being taken, the straight line** between them lies wholly in that superficies. A plane rectilineal angle is the inclination of two straight... | |
| Euclides - 1852
...; that mjig. 2. by 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... | |
| Euclides - 1853
...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 being taken, the straight line** between them lies wholly in that superficies. vm. "A plane angle is the inclination of two lines to... | |
| Euclides - 1853
...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 being taken, the straight line** between them lies wholly in that superficies. VIII. A plane angk is the inclination of two lines to... | |
| J. Tabor - 1853
...centre of the sphere and divides it into two equal parts. 8. A plane is a surface, real or imaginary, **in which any two points being taken, the straight line which joins them** will be altogether in that surface or plane. 9. The equator of the earth is a great circle, the plane... | |
| |