Geometry

Question Analysis
This question checks your understanding of the defining properties of a sphere.
The main focus is on geometric vocabulary and surface features.

Key Concept Explanation
A sphere:
Has no vertices (points or corners)
Has no flat surfaces
Is perfectly symmetrical
Has one continuous curved surface

Step-by-Step Solution
A. Has a vertex → ❌ (spheres have none)
B. No flat faces → ✅
...