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They are closed figures, formed by many lines called sides. They have 3 or more sides, because two lines can not __had__ a close figure. The name polygon comes from __Greece__ that means "many angles". They can be regular or irregular, the difference between those two classifications are that the regular ones __has__ equal sides and equal angles, the irregular ones are __that has__ at least one side or angle more diferent than the others. Also they can be __simples__ or complex. The __simples__ are those which their edges do not cross between them, the complex are the opposite of the simples. And the final classification are those ones __wich__ are equilateral. Those ones are __wich__ their sides are equal lenght.
 * Where's the title???? Shame on you... don't you think you can do much better...?**