Any Polygon can be a regular figure, if the figure has all straight sides and edges, with all the same length. If the decagon had all straight edges, sides, and same lengths of sides, it would be a regular figure. Otherwise, it would not, and would be an irregular Decagon.
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That is not a correct answer.
Any polygon, by definition MUST have all straight sides (which are the same as edges). What makes a polygon regular is that all the sides are the same length AND that all the interior angles are the same measure. Both these conditions must be met.
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Any polygon can be 'REGULAR' or 'IRREGULAR', decagons included.
A 'DECAGON' is a 10-sided plane figure. The side lengths may be the same length(regular), or different lengths(irregular).
A decagon is a 10 sided polygon
A decagon - if the sides are all equal, and the angles are all equal, it is a regular decagon.
Decagon is a geometry term that refers to a polygon that has 10 sides and 10 angles. The angles of a decagon measure 144 degrees.
Each exterior angle of a regular polygon with n sides is 360/n degrees. So, for a decagon, it would be 360/10 = 36 degrees.
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