Respuesta :

Answer:

a) PQ // AC

|AC| = 2|PQ|

b) PQRS is a parallelogram

Step-by-step explanation:

BPQ and BAC are similar figures with sides in the ratio 1:2

PQ // SR

|PQ| = |SR|

PS // QR

|PS| = |QR|

Opposite sides are parallel and equal in a parallelogram