Gore, James Howard, 1856-1939 · New York, Longmans, Green, and co. · leaf 191
and the sides of the polygon forbases. V 436. The polygon ABODE is theBase of the pyramid, the point Vthe Vertex, VBC, VCD, etc., theLateral, or Convex Surface, VC, VB,etc., the Lateral edges, and the areaof the lateral - surface is called theLateral Area. C B 437. The Altitude of a pyramid is the… … §445.] POLYEDRONS, CYLINDERS, AND CONES. 179 439. A triangular pyramid has but four faces, and is calleda Tetmedron; any one of its faces can be taken for its base. 440. A Regular Pyramid is one whose base is a regularpolygon, the centre of which coincides with the foot of theperpendicular let fall…
Geometry
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