Geometry

Question Analysis
This question asks you to identify which shapes are not spheres.
The main focus is on differentiating 3D solids by their properties.

Key Concept Explanation
A sphere is round with no flat faces, edges, or vertices.
Other shapes like cones, cubes, and cylinders have flat surfaces or sharp points.

Step-by-Step Solution
A. Cone → has a point and a flat base ❌
B. Cube → flat faces and edges ❌
C. Sphere ...