Q:

What is a closed figure made up of line segments?

A:

Quick Answer

A closed figure made up of line segments is called a "polygon." The term "polygon" is derived from the Greek words "poly," which means "many," and "gon," which means "angle."

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A polygon is a two-dimensional geometric structure containing straight lines called "sides." One side of a polygon is connected to two other sides at their endpoints. If a polygon's sides and angles are equilateral and equiangular, respectively, then it is called a "regular polygon." Otherwise, the polygon is irregular. Other types of polygons include concave or convex and simple or complex. Some common polygons include triangles, pentagons, nonagons, quadrilaterals, octagons, decagons, pentagons, hexagons and heptagons.

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Related Questions

  • Q:

    What is a 12-sided figure called?

    A:

    A 12-sided polygon is called a dodecagon. A polygon is any closed figure with 3 or more sides and angles. Every polygon with 3 to 20 sides has a name. Polygons with 30, 40, 50, 60, 70, 80, 90, and 100 sides have specific names as well.

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  • Q:

    What is a seven-sided figure called?

    A:

    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.

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  • Q:

    What figure has five faces, eight edges and five vertices?

    A:

    A square pyramid, a pyramid with four triangular sides and one square side, is a figure with five faces, eight edges and five vertices. It is a kind of three-dimensional solid. The pyramids at Giza, Egypt are examples of such a figure.

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  • Q:

    What is a 10-sided figure called?

    A:

    A 10-sided figure is called a decagon. In geometry, a decagon is defined as a polygon consisting of 10 connecting line segments that connect at 10 vertices. A regular decagon has sides with equal lengths and equal angle measurements.

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