Some articles on regular, regular pyramid, pyramid:
... 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 (18171862)
“[I]n our country economy, letter writing is an hors doeuvre. It is no part of the regular routine of the day.”
—Thomas Jefferson (17431826)