 | George Roberts Perkins - Geometry - 1847 - 326 pages
...pyramid is the perpendicular drawn from the vertex to the plane of its base, produced if necessary. 10. A pyramid is triangular, quadrangular, etc., according as its base is a triangle, a quadrangle, etc. 11. A pyramid is regular, when its base is a regular figure, and the perpendicular... | |
 | George Roberts Perkins - Geometry - 1850 - 332 pages
...pyramid is the perpendicular drawn from the vertex to the plane of its base, produced if necessary. 10. A pyramid is triangular, quadrangular, etc., according as its base is a triangle, a quadrangle, etc. 11. A pyramid is regular, when its base is a regular figure, and the perpendicular... | |
 | James Stewart Eaton - Arithmetic - 1857 - 376 pages
...perpendicular, from the vertex to the base, does not pass through the centre of the base. NOTE. — A pyramid is triangular, quadrangular, etc., according as its base is a triangle, quadrangle, etc. 48. A cylinder is a round body whose diameter is the same throughout its entire length,... | |
 | James Stewart Eaton - 1862 - 320 pages
...pyramifl. The slant hight is the distance from the vertex to the middle of one side of the base. . NOTE. A pyramid is triangular, quadrangular, etc., according as its base is a triangle, quadrangle, etc. A CONE is a solid, like a pyramid, except that its base is a circle. The altitude... | |
 | James Stewart Eaton - Arithmetic - 1864 - 322 pages
...slant hight is the distance from the vertex to the middle of one side of the base. MENSURATION. NOTE. A pyramid is triangular, quadrangular, etc., according as its base is a triangle, quadrangle, etc. A CONE is a solid, like a pyramid, except that its base is a circle. The altitude... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1869 - 332 pages
...polygons. The CONVEX SURFACE of a prism is formed of its lateral faces, or parallelograms. The prism is triangular, quadrangular, etc., according as its base is a triangle, quadrilateral, etc. Thus, The" diagram represents a pentangular prism, whose bases are ABODE, and FGHIK, and whose convex... | |
 | William Frothingham Bradbury - Arithmetic - 1879 - 446 pages
...slant height of a pyramid is the perpendicular distance from the vertex to one side of the base. NOTE. A pyramid is triangular, quadrangular, etc., according as its base is a triangle, quadrangle, etc. 492. A solid that is like a pyramid, except that its base is a circle, is a Cone.... | |
 | James Stewart Eaton - Arithmetic - 1879 - 342 pages
...flndinpr the contents of a prism or cylinder ? 390. What to a Pyramid ? Its vertex ? Slant hight ? NOTE. A pyramid is triangular, quadrangular, etc., according as its base is a mangle, quadrangle, etc. A CONE is a solid, like a pyramid, except that its base is a circle. The altitude... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1880 - 370 pages
...polygons. The CONVEX SURFACE of a prism is formed of its lateral faces, or parallelograms. The prism is triangular, quadrangular, etc., according as its base is a triangle, quadrilateral, etc. Thus, The diagram represents a pentangular prism, whose bases are ABCDE, and FGHIK, and whose convex... | |
 | Webster Wells - Geometry - 1886 - 392 pages
...altitude of a prism is the perpendicular distance between the planes of its bases. 509. A prism is called triangular, quadrangular, etc., according as its base is a triangle, quadrilateral, etc. 510. A right prism is one whose lateral edges are perpendicular to its bases ; that is, and is therefore... | |
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The altitude of a pyramid is the length of the perpendicular from the vertex of the pyramid to the plane of the base. 
