 | William Henry Harrison Phillips - 1878 - 236 стор.
...equal, the sections S and S', at equal distances from, and parallel to, the bases, are equal. DEF. 1. A truncated pyramid is the portion of a pyramid included between the base and a plane cutting the pyramid. When the cutting plane is parallel to the base, the truncated pyramid is called... | |
 | Alfred Hix Welsh - 1883 - 326 стор.
...base. 5. The Slant Height of a right pyramid is the altitude of any lateral face. 6. A Frustum of a pyramid is the portion of a pyramid included between the base and a parallel section. If the cutting plane is not parallel to the base, the intercepted portion is called... | |
 | Arthur Latham Baker - 1893 - 150 стор.
...to its lateral edges (elements). 123. A truncated pyramid (prism) is the part of a pyramid (prism) included between the base and a plane not parallel to the base. 124. A prism whose bases are parallelograms is called a parallelopiped: a right parallelopiped if it... | |
 | George Clinton Shutts - 1894 - 412 стор.
...height of a regular pyramid is the perpendicular from the vertex of the pyramid to any basal edge. 539. A truncated pyramid is the portion of a pyramid included between the base and a plane cutting all its lateral edges. 540. The frustum of a pyramid is a truncated pyramid in which the cutting... | |
 | John Tilden Prince - 1894 - 254 стор.
...cu. in. 4.1888 cu. ft. 904.7808 cu. in. 10 $1884.96. 11 512 bullets 110609 bullets. The frustum of a, pyramid is the portion of a pyramid included between the base and a plane made by cutting the pyramid through the lateral faces, parallel to the base. The slant height of the... | |
 | Webster Wells - 1894 - 400 стор.
...is a right prism whose base is a regular polygon. 477. A truncated. prism is that portion of a prism included between the base, and a plane, not parallel to the base, cutting all the lateral edges. 479. A parallelopiped is a prism whose bases are parallelograms; that... | |
 | John Macnie - 1895 - 390 стор.
...the triangular pyramid, or tetrahedron (499), any one of the faces may be regarded as the base. 542. A truncated pyramid is the portion of a pyramid included between the base and a plane that intersects all the lateral faces. 543. A frustum of a pyramid is a truncated pyramid in which... | |
 | George Albert Wentworth - 1899 - 496 стор.
...of the lateral faces. It bisects the base of the lateral face in which it is drawn. § 149 639. DBF. A truncated pyramid is the portion of a pyramid included between the base and a section made by a plane cutting all the lateral edges. A frustum of a pyramid is the portion of a pyramid... | |
 | George Albert Wentworth - 1899 - 248 стор.
...of the lateral faces. It bisects the base of the lateral face in which it is drawn. § 149 639. DBF. A truncated pyramid is the portion of a pyramid included between the base and a section made by a plane cutting all the lateral edges. A frustum of a pyramid is the portion of a pyramid... | |
 | George Albert Wentworth - 1899 - 498 стор.
...included between the base and a section made by a plane cutting all the lateral edges. A frustum of a pyramid is the portion of a pyramid included between the base and a section parallel to the base. 640. DBF. The altitude of a frustum is the length of the perpendicular... | |
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The slant height of a regular pyramid is the altitude of any one of the lateral faces, as WE. 
