Step 1: Understanding the Definition of a Circle.
A circle is a set of points in a plane that are equidistant from a fixed point (the center). It is perfectly round with no angles or straight lines. The figure of a circle should be perfectly round. Step 2: Verifying the Options.
- Option (1): A triangle is not a circle.
- Option (2): The correct figure is a circle.
- Option (3): A square is not a circle.
- Option (4): A rectangle is not a circle.
Conclusion:
Therefore, the correct answer is (2) (*Pic of Circle*).