Which of the following is NOT always true about a rhombus? (A) All sides are congruent. (B) All angles are congruent. (C) It has two pairs of parallel sides. (D)It has two pairs of congruent angles.

Answer With Explanation:
→→Properties of Rhombus
1. All Sides are Equal.
2. Diagonals Bisect each other at Right Angles.
3.Opposite angles are Equal.
4. Opposite Sides are parallel.
So, Among the Four Options Given
Option B: All angles are congruent. is not the property Satisfied by Rhombus.
In Rhombus Opposite Angles are Congruent.