# What is a five-sided polygon?

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," which mean "five" and "angle."

If a pentagon consists of equal sides and equal angles, it is referred to as a regular pentagon; otherwise, it is called an irregular pentagon. The interior angles of a regular polygon measure 108 degrees. A pentagon consists of five straight, connected sides. If one of the five sides of a given shape is a curved line or if the five-sided shape is not a closed figure, then it is not a pentagon.

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Q&A Related to "What is a five-sided polygon?"
 A four sided polygon is called a quadrilateral. It could also be called a quadrangle or a tetragon. This is the simplest polygon which can cross itself. http://www.ask.com/web-answers/Science/Mathematics...
 A triacontakaipentagon is a thirty-five sided polygon. It may also be called a 35-gon. http://wiki.answers.com/Q/What_is_a_thirty_five_si...
 A 5-sided polygon is called a http://www.chacha.com/question/what-do-you-call-a-...
 A two sided polygon is called a bigon, and it exists in spherical geometry. (the previous answerer said this: "a polygon has 3 or more sides retard idiot so how stupid can you http://wiki.answers.com/Q/What_is_a_2_sided_polygo...
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