If the measures of the angles of a quadrilateral taken in order are in the ratio 1 ∶ 3 ∶ 1 ∶ 3, then the quadrilateral is a:
1
parallelogram
2
rectangle
3
square
4
trapezium, but not a parallelogram
If the measures of the angles of a quadrilateral taken in order are in the ratio 1 ∶ 3 ∶ 1 ∶ 3, then the quadrilateral is a: