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In geometry, a spherical cap or spherical dome is a portion of a sphere or of a ball cut off by a plane. It is also a spherical segment of one base, i.e., bounded by a single plane. If the plane passes through the center of the sphere (forming a great circle ), so that the height of the cap is equal to the radius of the sphere, the spherical ...
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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
A dome (from Latin domus) is an architectural element similar to the hollow upper half of a sphere. There is significant overlap with the term cupola, which may also refer to a dome or a structure on top of a dome. The precise definition of a dome has been a matter of controversy and there are a wide variety of forms and specialized terms to ...
The central dome over the crossing had pendentives and windows in its base, while the four domes over the arms of the cross had pendentives but no windows. [174] The domes appear to have been radically altered between 944 and 985 by the addition of windowed drums beneath all five domes and by raising the central dome higher than the others. [ 175 ]
The Panthéon in Paris is another secular building featuring a dome on a drum. St Paul's Cathedral and the Panthéon were the two inspirations for the U.S. Capitol. [citation needed] In contrast, the dome of the Reichstag building in Berlin before its post-war restoration was a quadrilateral, so its tholobate was square and not round.