Geometry

Question Analysis:
This question checks whether students can recognize a cylinder with a slanted axis as still being a cylinder.
The focus is on understanding that both right and oblique cylinders are valid.

Key Concept Explanation:
A cylinder can be right (axis perpendicular) or oblique (axis slanted), as long as it has two congruent curved bases and a curved lateral surface.

Step-by-Step Solution:
The bases are circular and parallel.
The side surface is curved.
The axis is not vertical but that does not ...