Remember our properties of parallelograms:
OSPC- Opposite Sides of Parallelograms are Congruent
OAPC- Opposite Angles of Parallelograms are Congruent
CAPS- Consecutive Angles of Parallelograms are Supplementary
DPBEO- Diagonals of a Parallelogram Bisect Each Other
Create equations based off of the given information: Are two things equal, or supplementary? Is one value half or double another value?