 | George Albert Wentworth - Geometry - 1877 - 436 pages
...line consists of two , portions, called Nappes, one the Lower, the other the Upper Nappe. 062. DEF. A Cone is a solid bounded by a conical surface and a plane. 633. DEF. The Lateral surface of a cone is its conical surface. 634. DBF. The Base of a cone is its... | |
 | George Bruce Halsted - Measurement - 1881 - 258 pages
...is generated by a straight line moving so as always to pass through a fixed point called the vertex. A cone is a. solid bounded by a conical surface and a plane. The frustum of a pyramid or cone is the portion included between its base and a cutting plane parallel... | |
 | George Bruce Halsted - Geometry - 1885 - 389 pages
...generated by a straight lii.e moving so as always to pass through a fixed point called the apex. 825. A Cone is a solid bounded by a conical surface and a plane. 327 827. The Frustum of a pyramid or cone is the portion included between the base and a parallel section.... | |
 | George Bruce Halsted - Geometry - 1886 - 394 pages
...generated by a straight line moving so as always to pass through a fixed point called the apex. 825. A Cone is a solid bounded by a conical surface and a plane. MENSURATION, OR METRICAL GEOMETRY. 827. The Frustum of a pyramid or cone is the portion included between... | |
 | Edward Albert Bowser - Geometry - 1890 - 420 pages
...lying on opposite sides of the vertex, which are called the loiver and upper nappes, respectively. 761. A cone is a solid bounded by a conical surface and a plane cutting all its elements. The conical surface is called the lateral surface. The base of a cone is... | |
 | Seth Thayer Stewart - Geometry - 1891 - 426 pages
...that, by its motion, may generate the surface of the cone is, in any given position, an element. 514. A cone is a solid bounded by a conical surface, and a plane cutting all the elements. 515. The point in which all the elements meet is the vertex, or apex. 516.... | |
 | William C. Bartol - Geometry, Solid - 1893 - 112 pages
...its vertex at 0. '\Ve shall, however, refer to only the one part, 0-ABC, as the conical surface 123. A cone is a solid bounded by a conical surface and a plane called the base passing through all the elements of the surface. The line from the vertex to the centre... | |
 | Gardner Chace Anthony - Mechanical drawing - 1894 - 190 pages
...generated by the motion of a straight line one end of which is fixed while the other is constrained to move in a curve. A cone is a solid bounded by a conical surface and a cutting plane called the base. A circular cone is a cone whose base is a circle. A right circular cone... | |
 | George Clinton Shutts - Geometry - 1894 - 412 pages
...moving straight line is the generatrix. (¿>) The given curve is the directrix. SOLID GEOMETRY. 587. A cone is a solid bounded by a conical surface and a plane surface. (a) The plane is the base of the cone. (b) The conical surface is the lateral surface or the... | |
 | John Macnie - Geometry - 1895 - 386 pages
...the one being called the upper nappe, as S-ABCDE; the other, the lower nappe, as SA'B'C'D'E'. 577. A cone is a solid bounded by a conical surface and a plane cutting that surface, as S-ABCDE. The plane surface is called the base; the curved surface, the lateral... | |
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A cone is a solid bounded by a conical surface and a plane which cuts the conical surface. The plane is called the base and the curved surface the lateral area. 
