What is a polygon?

A. a close figure made up if crossed mine segments

B. a closed figure made up of straight line segments

C. an open figure made up of cross line segments

D. an open figure made up of straight line segments

A polygon is a closed plane figure with three or more sides that are all straight.

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Answer:

a plane figure with at least three straight sides and angles, and typically five or more.

Step-by-step explanation:

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