# What Is a 12 Sided Shape Called?

A twelve sided shape is called a dodecagon. A regular dodecagon has all sides and angles equal to each other while an irregular dodecagon has unequal sides and angles. Polygons with different numbers of sides have different names.
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A twelve-sided plane figure is called a dodecagon.
A 12 sided shape is called a dodecagon. Each interior angle and exterior angle of a regular dodecagon measures 150 ° and 30 °, respectively. The sum of all the interior angles is 1800 °; the Australian 50 cent coin is a dodecagon.
A twelve sided polygon is known as a dodecagon. A polygon is simply defined as a closed figure which is composed or made up of line segments that are joined together. Each of the two sides of the polygon meets at a vertex. There are regular, equiangular and equilateral polygons.
A 12 sided shape is known as a dodecagon if it is a polygon. It is denoted using the SchlÃ¤fli symbol {12} and is constructible. A regular dodecagon that has all sides of equal length has all angles equal to 150 °.
A shape (polygon) with twelve sides and angles is commonly known as dodecagon. A regular dodecagon can be divided into twelve isosceles (or equilateral) triangles by drawing six lines across the centre of the shape from each pair of opposite corners. With a regular dodecagon which has all sides equal, the size of the angles facing the centre is 150 degrees.
A 12 sided 2 dimensional shape or polygon is known as a dodecagon. Dodecagons also have 12 angles. The interior angles in a regular dodecagon each measure 150 degrees. You can find more information here: http://www.math.com/tables/geometry/polygons.htm
Q&A Related to "What Is a 12 Sided Shape Called"
 A 12-sided shape or polygon is called a dodecagon. An interior angle of a dodecagon is equal to 150 degrees and the sum of all the interior angles is equal to 1800 degrees. You can http://answers.ask.com/Science/Mathematics/what_is...
 The Dodecahedron is the shape that has twelve sides. The Dodecahedron is made from pentagons which is a shape with five edges. A Dodecahedron is one of the hardest shapes to draw. http://answers.ask.com/Science/Mathematics/what_sh...
 If it's a 2-dimensional shape, like lines drawn on paper, a 12 sided shape is called a dodecagon. If it's 3-dimensional, like a 12-sided die, then it's called a dodecahedron. http://wiki.answers.com/Q/What_is_a_shape_with_12_...
 Okay, you are taking me back to elementary school with this one. A nine-sided shape is called a nonagon. Now, you and I both know what it's called! http://answers.ask.com/Science/Mathematics/what_is...
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A 12 sided 2D shape is called a Dodecagon and this figure usually has all sides of equal length and all angles equal to 150° for the interior angle. The exterior ...
In geometry, a dodecagon is any polygon with twelve sides and twelve angles. This regular dodecagon has sides of equal length and all angles equal to 150 degrees ...
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