Answer:
AD is congruent to RS
Step-by-step explanation:
we know that
If two figures are congruent, then its corresponding sides and its corresponding angles are congruent
In this problem
If
ABCD≅PQRS
then
Corresponding angles
∠A≅∠P
∠B≅∠Q
∠C≅∠R
∠D≅∠S
Corresponding sides
AB≅PQ
BC≅QR
CD≅RS
AD≅PS