 | Edward Laurence - 1716 - 408 pàgines
...flreight Lines, ending in a- Point called the Vertej, or top thereof; and the Axis of this Cene, is a right Line drawn from the Vertex to the Center of the Bafe , and is called a right Cone, if the Axis be perpendicular to the Bafe, if nor, a Scalene one.... | |
 | Abram Robertson - 1818 - 196 pàgines
...base is called a Side of the Cone. 7. A straight line VC, drawn through the Vertex of the cone and the center of the base, is called the Axis of the Cone. 8. If the axis of the cone be perpendicular to the base, it is called a Right Cone. 9. If the axis... | |
 | Charles Ambrose Van Velzer, George Clinton Shutts - 1894 - 416 pàgines
...cone. 490. A circular cone is a cone whose base is a circle. A straight line joining the vertex with the center of the base is called the axis of the cone. 491. A right circular cone is a cone whose axis is perpendicular to its base. A right circular cone... | |
 | Edwin Pliny Seaver - 1895 - 408 pàgines
...triangles form the convex surface of the pyramid. When the base of a pyramid is a regular polygon, and a line drawn from the vertex to the center of the base is perpendicular to the base, the pyramid is a regular pyramid. FIG. 48. Cylinder. Fio. 49. Pyramid. 610.... | |
 | Wooster Woodruff Beman, David Eugene Smith - 1895 - 346 pàgines
...cone is a circle, the cone is said to be circular. In that case, the line determined by the vertex and the center of the base is called the axis of the cone. If A conical surface. Dx,the directrix ; V, the vertex ; N, N', the lower and upper nappes; V-Dx,acone,... | |
 | Wooster Woodruff Beman, David Eugene Smith - 1900 - 160 pàgines
...cone is a circle, the cone is said to be circular. In that case the line determined by the vertex and the center of the base is called the axis of the cone. If this axis is perpendicular to the base, the cone is called a right circular cone ; if oblique, an... | |
 | Wooster Woodruff Beman, David Eugene Smith - 1903 - 158 pàgines
...cone is a circle, the cone is said to be circular. In that case the line determined by the vertex and the center of the base is called the axis of the cone. If this axis is perpendicular to the base, the cone is called a right circular cone ; if oblique, an... | |
 | George Frederick Blessing, Lewis Andrew Darling - 1912 - 250 pàgines
...base of a cone is a circle the cone is said to be circular, and a line passing through the vertex and the center of the base is called the axis of the cone. If this axis is perpendicular to the base, the cone is called a right circular cone. The base angle... | |
 | George Albert Wentworth, David Eugene Smith - 1913 - 496 pàgines
...is a circle is called a circular cone. The straight line joining the vertex of a circular cone and the center of the base is called the axis of the cone. 597. Right and Oblique Cones. A circular cone whose axis is perpendicular to the base is called a right... | |
 | George Albert Wentworth, David Eugene Smith - 1913 - 496 pàgines
...is a circle is called a circular cone. The straight line joining the vertex of a circular cone and the center of the base is called the axis of the cone. 597. Right and Oblique Cones. A circular cone whose axis is perpendicular to the base is called a right... | |
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In that case the line determined by the vertex and the center of the base is called the axis of the cone. If... 
