Geometry

Question Analysis:
This question tests understanding of rhombus properties.
The main focus is on diagonal behavior.

Key Concept Explanation:
Rhombuses have diagonals that bisect each other at 90°.

Step-by-Step Solution:
A: Only true for rectangles
B: Always true for rhombuses
C: Opposite angles are congruent in any parallelogram
D: Diagonals are congruent in rectangles, not rhombuses

Option Analysis:
Only B accuratel...