Which example is a geometric shape?

Circle

A geometric shape has a clear, regular structure that can be described by mathematical ideas such as curves, angles, equal sides, or symmetry. A circle is a geometric shape because its boundary is a continuous curve, and every point on that boundary is the same distance from a fixed centre. This definition gives it a precise and predictable form.

The other examples are organic or irregular. A cloud changes in an uneven way, a tree’s natural shadow depends on light and branches, and a torn-paper edge has accidental, non-regular variations. They may be represented artistically, but they do not follow one fixed geometric rule. Therefore option A, circle, is correct. Recognising regularity and mathematical structure is the main way to distinguish geometric shapes from natural or irregular forms.

This is a Class 9 Art Education question. Chapter: Elements of Art. Topic: Shape.