X+x+2= 56 2x=54 The answer is 27 and 29
Answer : I’ll say it’s B.
If it’s wrong sorry. I tried.
B- They are always congruent. Congruent means in agreement or harmony. But in this case, identical in form. Parallelograms are parallel on both sides, which makes them have congruent sides.
P.S.- This is elementary level, no offense.
18cm is the answer of this question