 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 570 pages
...OBC, etc., are the lateral faces of the pyramid O-ABCDE 082. Defs. — A regular pyramid is a pyramid whose base is a regular polygon and whose vertex lies in the perpendicular to the base erected at its centre. This perpendicular is called the axis of the regular pyramid. PROPOSITION... | |
 | Anson Kent Cross - Art - 1897 - 200 pages
...edges. A pyramid is called triangular, square, etc., according as its base is a triangle, square, etc. A REGULAR PYRAMID is one whose base is a regular polygon and whose vertex is in a perpendicular erected at the center of the base. Its other faces are equal isosceles triangles.... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 574 pages
...OBC, etc., are the lateral faces of the prism 0-ABCDE. 682. Defs. — A regular pyramid is a pyramid whose base is a regular polygon and whose vertex lies in the perpendicular to the base erected at its centre. This perpendicular is called the axis of the regular pyramid. PROPOSITION... | |
 | Webster Wells - Geometry - 1899 - 180 pages
...etc., according as its base is a triangle, quadrilateral, etc. 504. A regular pyramid is a pyramid whose base is a regular polygon, and whose vertex lies in the perpendicular erected at the centre of the base. cutting by the 505. A truncated pyramid is a portion of a pyramid included between... | |
 | Thomas Franklin Holgate - Geometry - 1901 - 462 pages
...edges ? how many pairs of non-intersecting edges ? These are called the pairs of opposite edges. 510. A regular pyramid is one whose base is a regular polygon and whose vertex lies on the perpendicular to the base drawn from its centre. The slant height of a regular pyramid is the... | |
 | Anson K. Cross - Drawing - 1901 - 200 pages
...edges. A pyramid is called triangular, square, etc., according as its base is a triangle, square, etc. A REGULAR PYRAMID is one whose base is a regular polygon and whose vertex is in a perpendicular erected at the center of the base. Its other faces are equal isosceles triangles.... | |
 | American School (Lansing, Ill.) - Algebra - 1902 - 80 pages
...sides are triangles. 255. The vertices of the triangles meet to form the vertex of the pyramid. 256. The altitude of the pyramid is the perpendicular distance from the vertex to the base. 258. A regular pyramid is one whose bise is a regular polygon and whose vertex lies in a perpendicular... | |
 | American School (Chicago, Ill.) - Engineering - 1903 - 426 pages
...sides are triangles. 255. The vertices of the triangles meet to form the vertex of the pyramid. 256. The altitude of the pyramid is the perpendicular distance from the vertex to the base. 257. A pyramid is triangular, quadrangular, etc., according to the shape of the base. 258. A regular... | |
 | American School (Chicago, Ill.) - Engineering - 1906 - 580 pages
...(called the base) and the other faces are triangles having a common vertex. REGULAR PYRAMID. FRUSTUM OF PYRAMID. The vertices of the triangles form the vertex...regular pyramid is one whose base is a regular polygon 11 and whose vertex lies in the perpendicular erected at the center of the base. A truncated pyramid... | |
 | American School (Lansing, Ill.) - Architectural drawing - 1906 - 426 pages
...base) and the other faces are triangles having a common vertex.PYRAMID. REGULAR PYRAMID. FRUSTUM OF PYRAMID. The vertices of the triangles form the vertex...regular pyramid is one whose base is a regular polygon MECHANICAL DRAWING. and whose vertex lies in the perpendicular erected at the center of the base. A... | |
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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. 
