Question

what is polygon how many side in decagon ​

Answer 1

☆ANSWER☆

TEN

In geometry, a decagon (from the Greek δέκα déka and γωνία gonía, "ten angles") is a ten-sided polygon or 10-gon. The total sum of the interior angles of a simple decagon is 1440

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Answer 2

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In geometry, a polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain

In geometry, a polygon is a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chainDecagon is ten-sided