At least two sides are congruent.
Two sides are perpendicular.
All three sides are congruent.
Two sides are parallel.
Also could you put the answer in the question comment box? I\'m out of free answers.
Answer: All three sides are congruent
The problem is with A. It's true as well. At least 2 of the sides are congruent. The way to eliminate it is to say that does not mean specifically that all three sides are congruent.
I would argue that this is a faulty question, and watch someone squirm as they try to explain to you why a is not the answer. I don't know how to comply with your request. How are the choices designated
C. All three sides are congruent.