The set of information that would be enough to show that quadrilateral CDEF is a parallelogram is: 4. CF ≅ DE and CF║DE.
Some Properties of a Parallelogram
- The diagonals of a parallelogram bisect each other but are not congruent to each other.
- The two pairs of opposite sides of a parallelogram are congruent to each other and are also parallel to each other.
Therefore, the set of information that would be enough to show that quadrilateral CDEF is a parallelogram is: 4. CF ≅ DE and CF║DE.
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