Geometry

Question Analysis
This question tests the ability to derive the contrapositive of a statement about parallel lines.

Key Concept Explanation:
The contrapositive of "If P, then Q" is "If not Q, then not P."

Step-by-Step Solution:
Original statement: "If two lines are parallel (P), then they do not intersect (Q)."
Contrapositive: "If two lines intersect (not Q), then they are not parallel (not P)."
The statement is true.

Common Mistakes:
Confusing parallel lines with perpendicular lines....