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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 10-sided polygon called?

A: A polygon with 10 sides is called a decagon. The word comes from the Greek words for "ten" ("deka") and for "angle" or "corner" ("gonia"). Decagons have 10... Full Answer >Filed Under: -
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## What is a polygon with four sides and four angles called?

A: A polygon with four sides and four angles is called a quadrilateral. Quadrilaterals are two-dimensional, closed shapes with angle measurements that add up ... 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: -
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## What is a 4-sided polygon called?

A: A four-sided polygon is known as a quadrilateral. There are various types of quadrilaterals, but the most recognized are the square, rectangle, rhombus, tr... Full Answer >Filed Under: