Geometry

Question Analysis
This question tests the ability to interpret visual descriptions and classify cones based on axis orientation.
The main focus is on identifying an oblique cone based on its tilted apex.

Key Concept Explanation
An oblique cone:
Has a base (usually circular)
The apex is not directly above the center of the base

Step-by-Step Solution
Option A: Incorrect. The apex is not aligned vertically.
Option B: Correct. This is the textbook definition of an oblique cone.
Option C: Incorrect. The base is circular, not elliptical.
Option...