Question

please answer me . the question is above​

Answer 1

heya!!!!

Triangles, quadrilateral,circle,etc are examples of closed curves. The shape which is not closed by line segments or a curve is called an open curve . A closed curve which does not cross itself is called a simple closed curve . The curve which crosses itself is not a simple closed curve.

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Answer 2

Answer:

in

Step-by-step explanation:

inclosed curve all side are close

and in open curve any one side is open