Answer with explanation:
To prove that ,
A Quadrilateral is a parallelogram, if the Quadrilateral Satisfies any of the following properties:
1. One pair of opposite sides is equal and parallel.
2.Either Both pair of opposite sides are Parallel or equal.
3. Diagonals Bisect each other.
⇒To Conclude that, R S T W is a parallelogram, among the four options given
Option 1: R W ║ ST
R W≅ST
is true.