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  1. 10 Οκτ 2022 · A regular hendecagon is a 11-sided shape where every side is the same length and every corner has the same angle. All regular hendecagons have the same shape, like this: An irregular hendecagon is a 11 sides shape where not every side and angle are equal.

  2. What is a polygon? (Definition) Polygons are geometric figures of the 2D plane made up of a series of closed segments. The number of segments (called sides or edges) is equal to the number of vertices (or corners) used to define the geometric shape of the polygon. What is a polyhedron? (Definition)

  3. In geometry, a polygon is traditionally a plane figure that is bounded by a finite chain of straight line segments closing in a loop to form a closed chain. These segments are called its edges or sides, and the points where two of the edges meet are the polygon's vertices (singular: vertex) or corners.

  4. en.wikipedia.org › wiki › HendecagonHendecagon - Wikipedia

    In geometry, a hendecagon (also undecagon [1] [2] or endecagon [3]) or 11-gon is an eleven-sided polygon. (The name hendecagon , from Greek hendeka "eleven" and –gon "corner", is often preferred to the hybrid undecagon , whose first part is formed from Latin undecim "eleven".

  5. www.mathsisfun.com › geometry › polygonsPolygons - Math is Fun

    Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up). Polygon comes from Greek. Poly- means "many" and -gon means "angle".

  6. 21 Νοε 2023 · A polygon is a closed two-dimensional figure composed of straight-line segments that meet at their endpoints. The line segments of polygons are called sides, and each endpoint is called a...

  7. A decagon is a shape that has ten sides and ten vertices whose internal angle measures 144 degrees each, so 10 sides mean 10 x 144 = 1440 degrees, which means the total measurement of all internal angles of a decagon is 1440 degrees.