 | Machine-shop practice - 1917 - 416 pages
...vertex called the vertex of the pyramid. Fig. 74. Pyramid Fig. 75. Hogulur Pyramid Fig. 76. Frustum of Pyramid The altitude of the pyramid is the perpendicular distance from the vertex to the base. Pyramids are named according to the kind of polygon forming the base, viz, triangular, quadriangular,... | |
 | Heating - 1918 - 412 pages
...polygon forming the base, viz, triangular, quadriangular, Fig. 74. pentagonal, Fig. 75, hexagonal. 49 A regular pyramid is one whose base is a regular polygon and whose vertex lies in a perpendicular erected at the center of the base, Fig. 75. A truncated pyramid is the portion of a... | |
 | Heating - 1918 - 406 pages
...vertex called the vertex of the pyramid. Fig. 74. Pyramid Fig. 75. Regular Pyramid Fig. 76. Frustum of Pyramid The altitude of the pyramid is the perpendicular distance from the vertex to the base. Pyramids are named according to the kind of polygon forming the base, viz, triangular, quadriangular,... | |
 | Building - 1919 - 496 pages
...vertex called the vertex of the pyramid. Fig. 74. Pyramid Fig. 75. Regular Pyramid Fig. 76. Frustum of Pyramid The altitude of the pyramid is the perpendicular distance from the vertex to the base. Pyramids are named according to the kind of polygon forming the base, viz, triangular, quadriangular,... | |
 | Arthur Sullivan Gale, Charles William Watkeys - Functions - 1920 - 464 pages
...the polygon. The polygon is called the base, the triangles the lateral faces, and the common vertex the vertex of the pyramid. The altitude of the pyramid...perpendicular distance from the vertex to the base. If the base is a regular polygon, and if the foot of the altitude is the center of the base, the pyramid... | |
 | Herbert Edwin Hawkes, William Arthur Luby, Frank Charles Touton - Geometry, Solid - 1922 - 216 pages
...of the Needle in tons. (One cubic foot of the stone weighs about 170 pounds.) 524. Regular pyramid. A regular pyramid is one whose base is a regular polygon...the perpendicular erected at the center of the base. (The center of a regular polygon is the center of its circumscribing circle.) EXERCISE 106. Prove that... | |
 | Walter Burton Ford, Charles Ammermann - Geometry, Modern - 1923 - 406 pages
...pyramid is triangular, quadrangular, etc., according as its base is a triangle, a quadrilateral, etc. A regular pyramid is one whose base is a regular polygon...the perpendicular erected at the center of the base. V BC Fio. 221. REGULAR PYRAMID The slant height of a regular pyramid is the altitude of any one of... | |
 | 1903 - 886 pages
...manner all pyramids may be described by the number of sides in the perimeter of their bases.) A Right Pyramid is one whose base is a regular polygon and whose vertex is In a line perpendicular to the center of its base. (Figs. 38, 39 and 40 are right pyramids.) FIG.... | |
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A regular pyramid is one whose base is a regular polygon and whose vertex lies in the perpendicular erected at the center of the lsi.se. 
