| Adrien Marie Legendre - Geometry - 1819 - 574 pages
....'11.1! is. a curved line. 5. A surface is that which has length and breadth, without thickness. 6. A plane is a surface, in which any two points being...straight line joining those points lies wholly in that surface. 7. Every surface, which is neither a plane nor composed of planes, is a curved surface. 8.... | |
| Adrien Marie Legendre, John Farrar - Geometry - 1825 - 280 pages
...and AEB is a curved line. 5. A surface is that which has length and breadth, without thickness. 6. A plane is a surface, in which any two points being...straight line joining those points lies wholly in that surface. 7. Every surface, which is neither a plane nor composed of planes, is a curved surface. 8.... | |
| Adrien Marie Legendre - Geometry - 1825 - 276 pages
...and AEB is a curved line. 5. A surface is that which has length and breadth, without thickness. 6. A plane is a surface, in which any two points being...straight line joining those points lies wholly in that surface. 7. Every surface, which is neither a plane nor composed of planes, is a curved surface. 8.... | |
| Timothy Walker - Geometry - 1829 - 138 pages
...position. We must here remark that the surface of the paper represents a plane which is defined to be — o surface in which any two points being taken, the straight line joining these points, lies wholly in that surface — . Now in the above construction the describing line AB... | |
| Thomas Perronet Thompson - Euclid's Elements - 1833 - 168 pages
...reasoning, the like may be done by bringing into contact any other two equal spheres. NOMENCLATURE. — A surface in which any two points being taken, the straight line between them lies wholly in that surface, is called a plane surface. The same when no particular boundaries... | |
| Euclides - 1840 - 192 pages
...breadth, without thickness. COR. — The extremities of a surface are lines. 5. A PLANE, or plane surface, is a surface in which any two points being taken, the straight line joining them, lies wholly in that surface. 6. A plane rectilinear ANGLE is the inclination of two straight... | |
| Adrien Marie Legendre - Geometry - 1841 - 288 pages
...AEB is a curved line. 5. A surface is that which has length and breadth, without • thickness. 6. A plane is a surface in which, any two points being...straight line joining those points lies wholly in that surface. 7. Every surface which is neither a plane, nor composed of planes, is a curved surface. 8.... | |
| Charles Waterhouse - Arithmetic - 1842 - 180 pages
...angle greater than a right angle, is an obtuse angle. An oblique angle is either obtuse or acute. 14. A. plane is a surface, in which any two points being...the straight line joining those points lies wholly within that surface. NOTE. — Plane figures, that are bounded by right lines, have names according... | |
| Charles Waterhouse - Arithmetic - 1844 - 232 pages
...point directed outward. 12. A plane or surface has two dimensions, length and breadth, in which, if any two points being taken, the straight line joining those points lies wholly within that surface, as the preceding figure called a parallelogram. Figure* that are bounded by right... | |
| Elias Loomis - Conic sections - 1849 - 252 pages
...AEB is a curved 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... | |
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