Answer:
The perimeter is 
Step-by-step explanation:
we know that
A parallelogram is a quadrilateral where both pairs of opposite sides are parallel and equal
so
In this problem
PS=QR ----> equation A
SR=PQ ----> equation B
The perimeter of parallelogram PQRS is
P=PQ+QR+SR+PS ----> equation C
substitute equation A and equation B in equation C

we have


substitute in the formula of perimeter


Answer:
1/2
Step-by-step explanation:
The unit fraction for an area (or anything, for that matter) divided into n equal parts is 1/n. For 2 equal parts, it is 1/2.
I don't know if this is right, but I'm pretty sure it's B.