Answer:
Not valid: DF is perpendicular to EG (2nd)
Step-by-step explanation:
Not all parallelograms whose opposite sides are parallel is a rhombus. A rhombus's special characteristic is that their diagonals are perpendicular to each other.
Answer: Which question?
1 . -9 = 0
2 . x = 0
3 . 0 = 0
4 .x = -27
5 . x = -4
