Q:
# What Is a Closed Figure Made up of Line Segments?

**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."

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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Q:
## How Many Angles Does a Heptagon Have?

A: A heptagon is a figure or polygon that has seven angles and seven sides. The sum of these seven interior angles has to equal 900 degrees. Full Answer >Filed Under: -
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## What Is a Convex Quadrilateral?

A: A convex quadrilateral is a four-sided figure with interior angles of less than 180 degrees each and both of its diagonals contained within the shape. A di... Full Answer >Filed Under: -
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## What Is the Difference Between a Cube and a Cuboid?

A: A cube is a six-faced, three-dimensional figure composed of square-shaped faces of the same size that meet at 90-degree angles, whereas a cuboid is a box-s... Full Answer >Filed Under: -
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## How Many Triangles Are in a Decagon?

A: A decagon is a ten-sided, closed-plane figure with eight triangles in it. These eight triangles are formed by joining any vertex of the decagon to any othe... Full Answer >Filed Under: