Visual Encyclopedia

# Polygon

In elementary geometry, a polygon (/ˈpɒlɪɡɒn/) is a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed polygonal chain or circuit. These segments are called its edges or sides, and the points where two edges meet are the polygon's vertices (singular: vertex) or corners. The interior of the polygon is sometimes called its body. An n-gon is a polygon with n sides; for example, a triangle is a 3-gon. A polygon is a 2-dimensional example of the more general polytope in any number of dimensions.

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This is the polygon song! It may seem like an annoying child's song, but it definitely helps! It has one of those melodies that get stuck in your head, so it will be something you never forget!

Contributed by Caralyn Ordonez

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