Question

The figure below shows a parallelogram PQRS.
The flowchart shown below shows the sequence of steps to prove the theorem, “Opposite angles of a parallelogram are equal.”
Which option best represents x and y?
A.) x should be “Angle 5 is equal to angle 6” and y should be “supplementary angles”
B.) x should be Angle 5 is equal to angle 6 and y should be “opposite angles of a parallelogram are equal”
C.) x should be “SQ = SQ” and y should be “transitive property”
D.) x should be “SQ = SQ” and y should be “reflexive property”