Geometry

Question Analysis:
This question tests your knowledge of oblique pyramids, which differ from right and regular pyramids.
The main focus is on apex alignment, face congruence, and symmetry.

Key Concept Explanation:
Oblique pyramids have an apex that is not aligned above the center of the base.
They typically have non-congruent triangle faces, and the sides are not symmetrical.

Step-by-Step Solution:
A: Apex centered → right or regular pyramid ❌
B: Apex off-center → oblique ✅
C: Irregular triangle sides → oblique ✅
D: Perfect symmet...