Geometry

Question Analysis:
This question tests understanding of multiple reflections over intersecting lines and their equivalent single transformation.

Key Concept Explanation:
Two reflections over intersecting lines create a rotation
The rotation center is the intersection point (O)
Rotation angle equals twice the angle between the lines (2 × 50° = 100°)

Step-by-Step Solution:
Identify given information:
Lines intersect at 50°
Two successive reflections
Apply the rule:
Rotation angle = 2 × angle between lines
2 × 50° = 100°
Determine direction:
Rotation direction matches the movement from first to second line

Option Analysis:
A) Incorrect - Uses the original angle instead of doubled angle
B) Correct - Matches the calculated 100° rotation
C) Incorrect...