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Are all linear pairs supplementary angles?
supplementary can sure be a linear pair. As long as their is 2 different angles and they equal 180 degrees.
If all pairs of consecutive angles of a quadrilateral are supplementary the the quadrilateral is a parallelogram?
True
If a parallelogram has one right angle then all of its angles must be right?
Yes. This is true because opposite angles are congruent and adjacent angles are supplementary.
If all pairs of consecutive angles of a quadrilateral are supplementary then the quadrilateral is a parallelogram.?
it’s true
What shape has 2 pairs of congruent sides with those sides being non-adjacent and the angles are not all congruent?
This is a parallelogram. The first requirement is 2 pairs of congruent sides where the congruent sides are not adjacent. This is like a rectangle (excluding a square) that has two pairs of congruent sides where the congruent sides are not adjacent. But the angles are not all congruent (as set in the question) which pushes the shape into the "next less regular" shape, the parallelogram. The angles will not all be congruent, but it will have 2 pairs of congruent angles. There is no way to avoid the 2 pairs of congruent angles because of the requirement that the shape must have 2 pairs of congruent sides (the first requirement).
