quadrilaterals are consecutive and opposite angles always congruent?
square
No. Very few of them do.
It is a rectangle.
Not unless the parallelogram is a rectangle. In every parallelogram, consecutive angles are supplementary.
There are instances that quadrilateral angles can be consecutive and opposite angles are congruent. The best examples are square and rectangle.
Square and Rectangle
quadrilaterals are consecutive and opposite angles always congruent?
The question is self-contradictory.
Rectangles;all angles equal 90 degrees
showing consecutive angles are congruent
Right
triangle
Sometimes but not always
square
a square and a rectangle
Square and Rectangle