Geometry

Question Analysis
This question tests recognition of a non-right cone using diagram-based apex placement.
The main focus is determining that cones can exist even when the apex is not aligned with the center of the base.

Key Concept Explanation
A cone can be:
Right, when the apex lies directly above the center of the circular base
Oblique, when the apex is not aligned above the center
The image shows a cone with all cone features except vertical symmetry → therefore, oblique cone.

Step-by-Step Solution
There is still one circular base and a curved surface → suggests it is a cone
Apex is not vertically abo...