Question

If PQRS is a rhombus, which statements must be true? Check all that apply.
A. (line) PR is perpendicular to (line) QS.
B. PQR is congruent to QPS.
C. PQR is supplementary to QPS.
D. (line) PR is congruent to (line) QS
E. (line) PT is congruent to (line) RT
F. (line) PS is parallel to (line) QR.

here is a similar rhombus just O is the T
images.tutorvista.com/cms/images/67/theorem-on-parallelogram.png