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www.reference.com/math/ten-sided-polygon-4627eca1427dd667

A 10-sided polygon is known as a decagon. A polygon is a closed plane figure with many sides that connect at its endpoints. Two sides meet to form a vertex, and the sides never cross each other.

www.mathsisfun.com/geometry/polygons

A polygon is a plane shape with straight sides. Is it a Polygon? Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up). Polygon (straight sides) Not a Polygon (has a curve) ... Think Decagon has 10 sides,

mathcentral.uregina.ca/QQ/database/QQ.09.96/rosa1.html

After about 6 sides mathematicians usually refer to these polygons as n-gons. So your 13 sided polygon I would call a 13-gon. Cheers, Walter and Harley Go to Math Central. To return to the previous page use your browser's back button.

A decagon is the ten-sided polygon (two dimensional shape). A decahedron is a ten-sided thee-dimensional shape. A ten-sided die can also be called a pentagonal trapezohedron.

www.quora.com/What-do-one-of-the-angles-measure-in-a-regular-10-sided-polygon

This is pretty easy to compute. Start by thinking of the 10-sided polygon as 10 triangles. Since those triangles together cover 360 degrees, each triangle obviously covers 36 degrees of that total, so each triangle has one 36 degree angle. The ...

www.reference.com/math/10-sided-polygon-called-ee570646b9447467

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 angles and 10 sides.

en.wikipedia.org/wiki/Decagon

In geometry, a decagon is a ten-sided polygon or 10-gon. Regular decagon. A regular decagon has all sides of equal length and each internal angle will always be equal to 144°. Its Schläfli symbol is {10} and can also be constructed as a truncated pentagon, t{5}, a quasiregular ...

en.wikipedia.org/wiki/Polygon

The segments of a polygonal circuit 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 a solid polygon is sometimes called its body. An n-gon is a polygon with n sides; for example, a triangle is a 3-gon. A simple polygon is one which does not intersect ...