Question

draw a closed curve that is not a polygon.can you draw the reverse of this ? give reasons.

Answer 1

No it is not possible.

We can draw a closed curve -  a circle. that is not a polygon.

REVERSE
  Draw a Polygon that is not a closed curve.
  By definition polygon contains n sides, the last side joins to the initial side. it is a
   closed curve.

So it is not possible