Examples
- A notable example of a pyramidal frustum appears on the reverse of the Great Seal of the United States on the back of the United States one-dollar bill, the "unfinished pyramid" being surmounted by the Eye of Providence.
- Certain ancient Native American mounds also form the frustum of a pyramid.
- Chinese pyramids
- The John Hancock Center in Chicago, Illinois is a frustum whose bases are rectangles.
- The Washington Monument is a narrow pyramidal frustum (with square bases) with a pyramid attached to the top base.
- The viewing frustum in 3D computer graphics is the usable field of view of a virtual photographic or video camera modeled as a pyramidal frustum.
- The poem Love and tensor algebra, in the English translation of Stanislaw Lem's short-story collection The Cyberiad, claims that every frustum longs to be a cone.
- A bucket is an everyday example of a conical frustum. The bottom internal diameter is usually smaller than the upper internal diameter.
- The stereotypical lampshade is a frustum.
Read more about this topic: Frustum
Famous quotes containing the word examples:
“No rules exist, and examples are simply life-savers answering the appeals of rules making vain attempts to exist.”
—André Breton (1896–1966)
“In the examples that I here bring in of what I have [read], heard, done or said, I have refrained from daring to alter even the smallest and most indifferent circumstances. My conscience falsifies not an iota; for my knowledge I cannot answer.”
—Michel de Montaigne (1533–1592)
“There are many examples of women that have excelled in learning, and even in war, but this is no reason we should bring ‘em all up to Latin and Greek or else military discipline, instead of needle-work and housewifry.”
—Bernard Mandeville (1670–1733)