Answer:
option A and C
QT is parallel to RS
QR = 5 , ST = 5
Step-by-step explanation:
The definition of a parallelogram is as below
A parallelogram is a quadrilateral with 2 pairs of opposite, equal and parallel sides.
To prove a quadrilateral is a parallelogram, one of these five ways is to prove that one pair of opposite sides is both congruent and parallel.
And ways is to prove that both pairs of opposite sides are congruent.
