 | James William Nicholson - Arithmetic - 1885 - 348 pages
...which is a polygon, and the other faces are triangles, which meet at a common point, called the vertex. The altitude of a pyramid is the perpendicular distance from the vertex to the base. 492. A cone is a solid having one base, which is a circle, and a curved surface terminating in... | |
 | Charles Davies, Adrien Marie Legendre - Geometry - 1885 - 538 pages
...the vertex to any point in the circumference of the base, is called the slant height of the cone; and the perpendicular distance from the vertex to the plane of the base, is called the altitude of the cone. The line SB, which generates the convex surface, is, in any position,... | |
 | William A. Campbell - Readers - 1887 - 224 pages
...CLXXXVIII. The Altitude of a pyramid is the perpendicular distance from its vertex to the plane of its base. The Slant Height of a right pyramid is the altitude of one of the triangles which form its faces. The Frustum of a pyramid is the portion included between... | |
 | Benjamin Franklin Finkel - Mathematics - 1888 - 518 pages
...triangles. 54. The Altit ude ( Lat. Altitudo, from altus, high, and ude denoting state or condition) of a pyramid is the perpendicular distance from the vertex to the plane of the base. 55. The Slant Height of a pyramid, is the perpendicular distance from the vertex to any side of the... | |
 | James William Nicholson - Arithmetic - 1889 - 408 pages
...which is a polygon, and the other faces are triangles, which meet at a common point, called the vertex. The altitude of a pyramid is the perpendicular distance from the vertex to the base. 441. A cone is the solid that is formed by turning a right triangle around one of the sides that... | |
 | Edward Albert Bowser - Geometry - 1890 - 418 pages
...are called the lateral edges; and the area of the lateral surface is called the lateral area. 615. The altitude of a pyramid is the perpendicular distance from the vertex to the plane of the base. 616. A pyramid is called triangular, quadrangular, pentagonal, etc., according as its base is a triangle,... | |
 | Webster Wells - 1894 - 172 pages
...intersections the lateral edges. The sum of the areas of the lateral faces is called the lateral area. 511. The altitude of a pyramid is the perpendicular distance from the vertex to the plane of the base. 512. A pyramid is called triangular, quadrangular, etc., according as its base is a triangle, quadrilateral,... | |
 | John Tilden Prince - Arithmetic - 1894 - 254 pages
...1152 cu. in. 3 57|ยง$ bbl. 8 20.5632 gal. 9 8 ft. 6.1241- in. 21 ft. 9.4379 in. 10 79.5872 sq. ft. The altitude of a pyramid is the perpendicular distance from the vertex to the base. The slant height of a regular pyramid is the perpendicular distance from the vertex to any side... | |
 | Gardner Chace Anthony - Mechanical drawing - 1894 - 190 pages
...the base. The othei faces are triangles havins? a common vertex known as the vertex of the pyramid. The altitude of a pyramid is the perpendicular distance from the vertex to the base. A pyramid ia regular if its base is a regular polygon whose centre lies in the perpendiculai... | |
 | Webster Wells - Geometry - 1894 - 398 pages
...is called the base of the cone, and the curved surface the lateral surface. The altitude of a cone is the perpendicular distance from the vertex to the plane of the base. 565. A circular cone is a oone whose base is a circle. The axis of a circular cone is a straight line... | |
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The height of a cone is the perpendicular distance from the vertex to the plane of the base. 
