Regular Pyramid

Some articles on regular, regular pyramid, pyramid:

Apothem
... The apothem of a regular polygon is a line segment from the center to the midpoint of one of its sides ... Regular polygons are the only polygons that have apothems ... For a regular pyramid, which is a pyramid whose base is a regular polygon, the apothem is the slant height of a lateral face that is, the shortest distance from apex to base on a given face ...

Famous quotes containing the words pyramid and/or regular:

    So universal and widely related is any transcendent moral greatness, and so nearly identical with greatness everywhere and in every age,—as a pyramid contracts the nearer you approach its apex,—that, when I look over my commonplace-book of poetry, I find that the best of it is oftenest applicable, in part or wholly, to the case of Captain Brown.
    Henry David Thoreau (1817–1862)

    [I]n our country economy, letter writing is an hors d’oeuvre. It is no part of the regular routine of the day.
    Thomas Jefferson (1743–1826)