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Some terms, especially among the types of kylix or drinking cup, combine a shape and a type or location of decoration, as in the band cup, eye cup and others. Some terms are defined by function as much as shape, such as the aryballos, which later potters turned into all sorts of fancy novelty shapes.
A right circular hollow cylinder (or cylindrical shell) is a three-dimensional region bounded by two right circular cylinders having the same axis and two parallel annular bases perpendicular to the cylinders' common axis, as in the diagram. Let the height be h, internal radius r, and external radius R.
Lambert cylindrical equal-area: Cylindrical Equal-area Johann Heinrich Lambert: Cylindrical equal-area projection with standard parallel at the equator and an aspect ratio of π (3.14). 1910 Behrmann: Cylindrical Equal-area Walter Behrmann: Cylindrical equal-area projection with standard parallels at 30°N/S and an aspect ratio of (3/4)π ≈ 2 ...
Diagram of the parts of a typical Athenian vase, in this case a volute krater. The names we use for Greek vase shapes are often a matter of convention rather than historical fact. A few do illustrate their own use or are labeled with their original names, while others are the result of early archaeologists' attempt to reconcile the physical ...
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In geometry, a slab is a region between two parallel lines in the Euclidean plane, [1] or between two parallel planes in three-dimensional Euclidean space or between two hyperplanes in higher dimensions.
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