 | Aaron Schuyler - Geometry - 1876 - 384 pages
...axis of a regular pyramid is the straight line joining its vertex with the center of its base. 11. The slant height of a regular pyramid is the altitude of any lateral face. 12. A pyramid is triangular, quadrangular, pentangular, . . . according as its base is a triangle,... | |
 | George Albert Wentworth - Geometry - 1877 - 416 pages
...Axis of a regular pyramid is the straight line joining its vertex with the centre of the base. 558. DEF. The Slant height of a regular pyramid is the altitude of any lateral face. 559. DEF. A pyramid is triangular, quadrangular, pentagonal, etc., according as its base is a triangle,... | |
 | George Albert Wentworth - Geometry - 1877 - 436 pages
...of a regular pyramid is the straight line joining its vertex with the centre of the base. 558.' DBF. The Slant height of a regular pyramid is the altitude of any lateral face. 559. DEF. A pyramid is triangular, quadrangular, pentagonal, etc., according as its base is a triangle,... | |
 | Webster Wells - Geometry - 1886 - 392 pages
.... amid are equal (§ 438) ; hence by § 83, the lateral faces are eqftal isosceles triangles. 554. The slant height of a regular pyramid is the altitude of any one of its lateral faces ; that is, the straight line drawn from the vertex of the pyramid to the middle... | |
 | Edward Albert Bowser - Geometry - 1890 - 414 pages
...of these trapezoids. EXERCISES. 1. Show that the slant height of a regular pyramid is the straight line drawn from the vertex of the pyramid to the middle point of any side of the base. 2. Show that the lateral faces of a frustum of a regular pyramid are equal trapezoids. 3. Find the... | |
 | Webster Wells - Arithmetic - 1893 - 360 pages
...altitude is the perpendicular OE drawn from the vertex to the base. 238. | A Begular Pyramid is one whose The slant height of a regular pyramid is the altitude of any one of its lateral faces; that is, it is the straight line drawn from the vertex to the middle point... | |
 | John Macnie - Geometry - 1895 - 386 pages
...perpendicular at the center of the base, which perpendicular is called the axis of the pyramid. 540. The slant height of a regular pyramid is the altitude of any lateral face. 541. A pyramid is triangular, quadrangular, pentagonal, etc., according as its base is a triangle,... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 554 pages
...triangles.. 683. COR. II. Tlie altitudes of the lateral faces drawn from the common vertex O are equal. 686. Def. — The slant height of a regular pyramid is the altitude of any one of its lateral faces drawn from the vertex of the pyramid. 687. Def. — The lateral area of a... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 574 pages
...triangles. 685. COR. II. The altitudes of the lateral faces drawn from the common vertex O are equal. 686. Def. — The slant height of a regular pyramid is the altitude of any one of its lateral faces drawn from the vertex of the pyramid. 687. Def. — The lateral area of a... | |
 | Henry W. Keigwin - Geometry - 1897 - 254 pages
...center of the base. 489. COR. The lateral faces of a regular pyramid are equal isosceles triangles. 490. DEF. The slant height of a regular pyramid is the altitude of a lateral face. Exs. Find entire surface and volume of the following: 1. Regular triangular pyramid,... | |
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DEF. The slant height of a regular pyramid is the altitude of any one of the lateral faces. 
