Geometry

Question Analysis:
This evaluates understanding of consecutive angles in trapezoids.

Key Concept Explanation:
Consecutive angles between parallel sides are supplementary (sum to 180°).

Step-by-Step Solution:
Identify angle P and angle S as consecutive between parallels
Calculate: 180° - 65° = 115°
Verify no special conditions apply

Common Mistakes:
Assuming angles are equal rathe...