 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.  First book of mathematics - Side 3av Hugo Reid - 1872 - 124 siderUten tilgangsbegrensning - Om denne boken
 | John Playfair - 1806 - 320 sider
...intersections of one superficies with another are also lines." Book IV v-*~»"WA plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. VI. A plane rectilineal angle is the inclination of two straight lines to one another,... | |
 | John Gummere - 1814 - 398 sider
...points. 5. A superficies or surface has length and breadth, but thickness. 6. A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. -- , t 7- A plane rectilineal angle is the inclination of two straight lines to one another,... | |
 | Charles Butler - 1814 - 528 sider
...spherical, cylindrical, conical, and many others. According to this definition, a plane superficies "is that in which any two points being taken, the straight line between them lies wholly in that superficies;" the term " plane," in popular language, means that which is perfectly fiat, or level)... | |
 | John Playfair - 1819 - 350 sider
...the intersec" tions of one superficies with another are also lines." V. A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. VI. A plane rectilineal angle is the inclination of two straight lines to one another,... | |
 | Adrien Marie Legendre - 1819 - 574 sider
....'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 taken, the straight line joining those points lies wholly in that surface. 7. Every surface, which is neither a plane nor composed... | |
 | Euclid, Robert Simson - 1821 - 514 sider
...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 angle is the inclination of two lines to one another* in, a plane, which... | |
 | Euclid - 1822 - 222 sider
...learned Robert Simson gives a different definition of a plane surface. A plane superficies is that in which any two points being taken, the straight line between them lies wholly in' that superficies : this indeed is a well known property of a plane ; but as it can easily be deduced from... | |
 | George Crabb - 1823 - 704 sider
...Superficies are either plane, rectilinear, curvilinear, convex, or concave. — A plane superficies is that in which any two points being taken, the straight line between them lies wholly in that superficies. — A rectilinear superficies is that which is bounded by right lines. — A curvilinear... | |
 | Peter Nicholson - 1825 - 1046 sider
...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 meet... | |
 | Adrien Marie Legendre - 1825 - 276 sider
...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 taken, the straight line joining those points lies wholly in that surface. 7. Every surface, which is neither a plane nor composed... | |
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