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# What is a seven-sided polygon called?

**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.

The seven-sided figure is also known as a "septagon." However, this name is a combination of a Latin prefix, "septa-," with a Greek suffix, "-gon." Linguistics experts recommend use of "heptagon" as the name for this type of figure. In a regular heptagon, each of the interior angles is equal to 51.43 degrees. The word "heptagon" is rare in literature and use outside of mathematics.

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## What is a regular shape in math?

A: A regular shape, also known as a regular polygon, is a shape that has sides that are all equal. If there are sides of differing lengths, these shapes are k... Full Answer >Filed Under: -
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## How many diagonals does a dodecagon have?

A: A dodecagon, a polygon with 12 sides and 12 vertices, has 54 distinct diagonals. The formula for determining the number of diagonals of an n-sided polygon ... Full Answer >Filed Under: -
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## What is a five-sided polygon?

A: A five-sided polygon, with five vertices and five angles, is called a pentagon. The word pentagon is derived from the Greek words "pente" and "gonia," whic... Full Answer >Filed Under: -
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## What is a polygon called where all sides are congruent?

A: A polygon that has all sides congruent is called a "regular polygon." Regular polygons must also have all angles congruent, which is a side effect of havin... Full Answer >Filed Under: