Question

example of simple curves that are not closed from our surroundings​

Answer 1

Answer:

Simple closed curves are closed curveswhich do not have lines that cross over themselves. If it is not simple, it does cross over itself. ... The star, arrow, diamond, and lightning bolt do not have lines that cross. They are simple closed curves.

Answer 2

Answer:

The shape which is not closed by line-segments or a curve is called an open curve. The curves which do not have same starting and end points are called open curves.

Hope it helps you mate..