Answer :

A sphere is a three-dimensional object where every point on its surface is equidistant from its center. This means that the surface of a sphere is completely smooth and curved without any flat parts.

Let's analyze each option:

1. An apex is a point, usually found in shapes like pyramids or cones. A sphere does not have a point that stands out as the “top” or “bottom,” so it does not have an apex.

2. A curved surface is a surface in which every part is continuously curved. Since a sphere has a surface that is entirely round without any breaks or flat parts, it is described as having a curved surface.

3. Edges are the line segments where two faces meet in a polyhedron. A sphere has no edges because it doesn’t have any flat faces.

4. A circular base describes the flat, circular bottom of a shape such as a cylinder or a cone. A sphere does not have a base at all because its surface is uniformly curved all over.

Based on this reasoning, the attribute that correctly describes a sphere is its [tex]$ \textbf{curved surface} $[/tex].

Thus, the correct answer is:

[tex]$$2$$[/tex]

Thanks for taking the time to read Which of the following attributes describes a sphere A 1 apex B Curved surface C 2 edges D Circular base. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada