If quadrilateral PQRS is a rectangle, then which of the following is true?

quadrilateral PQRS with diagonals PR and SQ that intersect at point T



a
∠PSQ ≅ ∠QSR

b
segment SR ≅ segment RQ

c
∠STP ≅ ∠QTR

d
segment PS ≅ segment PR