 | Aaron Schuyler - Geometry - 1876 - 384 pages
...BV, ... are its lateral edges ; AB, BC, ... its basal edges ; F is its vertex ; VO, its altitude. 9. A regular pyramid is a pyramid whose base is a regular polygon, and whose vertex is in the perpendicular to the base at its center. 10. The axis of a regular pyramid is the straight... | |
 | George Albert Wentworth - Geometry - 1877 - 426 pages
...lateral edges ; AB, B С, etc. its basal edges ; V is its vertex ; V 0 is its altitude. B 556. DEF. A Regular pyramid is a pyramid whose base is a regular polygon, and whose vertex is in the perpendicular to the base at its centre. 557. DEF. The Axis of a regular pyramid is the straight... | |
 | Webster Wells - Geometry - 1886 - 392 pages
...quadrangular, etc., according as its base is a triangle, quadrilateral, etc. 552. A regular pyramid is one whose base is a regular polygon, and whose vertex lies in the perpendicular erected at the cen- Constructed with tre of the base. ___ ,„, , , , , , ess than the clif553. The... | |
 | Seth Thayer Stewart - Geometry, Modern - 1891 - 422 pages
...a rectangle for its base, a rectangular pyramid, etc., pyramids being named from their bases. 469. A regular pyramid is a pyramid whose base is a regular polygon, and whose apex is perpendicularly above the center of the base. 470. The lateral surface of a pyramid is the... | |
 | Webster Wells - Arithmetic - 1893 - 390 pages
...The altitude is the perpendicular OE drawn from the vertex to the base. 238. A Regular Pyramid is one whose base is a regular polygon, and whose vertex lies in the perpendicular erected at the centre of the base ; as O-ABCD. The slant height of a regular pyramid is the altitude... | |
 | Webster Wells - Geometry - 1894 - 394 pages
...its base is a triangle, quadrilateral, etc. NOTE. A triangular pyramid is a tetraedron (§ 467). 513. 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. 514. The lateral edges of a regular pyramid are equal. (§ 407,... | |
 | Webster Wells - Geometry - 1894 - 400 pages
...triangle, quadrilateral, etc. NOTE. A triangular pyramid is a tetraedron (§ 467). 513. A regiifar pyramid is a pyramid whose base is a regular polygon, and whose vertex lies in the perpendicular erected at the centre of the base. 514. The lateral edges of a regular pyramid are equal. (§ 407,... | |
 | John Tilden Prince - Arithmetic - 1894 - 246 pages
...is a polyhedron bounded by triangles that have a common vertex, and by a polygon, called the base. A regular pyramid is a pyramid whose base is a regular polygon, and whose vertex is directly above the center of the base. A quadrangular pyramid is a pyramid whose base is a quadrilateral.... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 574 pages
...OA, OB, etc., are the lateral edges; and OAB, OBC, etc., are the lateral faces of the prism 0-ABCDE. 682. Defs. — A regular pyramid is a pyramid whose...etc. Let OZ be the axis of the regular pyramid. Then ZA=ZB=ZC=etc. §461 III Therefore OA = OB=OC=etc. § 539 I QED 684. COR. I. The lateral faces of a... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1897 - 376 pages
...etc., are the lateral edges; and OAB, OBC, etc., are the lateral faces of the pyramid O-ABCDE. (i47. Defs. — A regular pyramid is a pyramid whose base...base erected at its centre. This perpendicular is the axis of the regular pyramid. PROPOSITION XV. THEOREM 648. The lateral edges of a regular pyramid... | |
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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. 
