Mathematics, 21.04.2021 16:20, stefancvorovic1

In quadrilateral PQRS, the exterior angle at Q measures 155 and PS = QR. What measure of ∠PSQ would confirm that PQRS is a parallelogram? Help me fast pls

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In quadrilateral PQRS, the exterior angle at Q measures 155 and PS = QR. What measure of ∠PSQ would...