A seven-sided shape is called a heptagon. Some people refer to heptagons as septagons, but this mixes a Greek suffix with a Latin prefix, so it is not the preferred usage.
A heptagon is a type of polygon, which Math.com defines as a plane figure with several line segments that join together but do not intersect. All of the angles and sides are equal in a regular heptagon.
In Germany, the Mausoleum of Prince Ernst was constructed using a heptagonal floor plan. This type of floor plan is rarely used in architecture. The Barbados dollar coin is also in the shape of a heptagon.
Learn MoreA polygon with seven sides is called a heptagon. A polygon is a closed geometric shape that has at least three sides and angles.
Full Answer >A seven-sided polygon is called a "heptagon." "Hepta-" or "hept-" is a prefix from the Greek word meaning "seven." In addition to having seven sides, the heptagon also has seven angles where the sides meet.
Full Answer >A seven-sided polygon is called a "heptagon." According to MathWorld from Wolfrom Research, Inc., a seven-sided shape is also sometimes called a "septagon." This latter term, however, is not commonly used to describe this shape.
Full Answer >A shape with 24 sides is called an icosikaitetragon. Greek prefixes are used for naming shapes by the number of sides. Numbers above 20 have additional special rules that must be followed to construct their names.
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