There are instances that quadrilateral angles can be consecutive and opposite angles are congruent. The best examples are square and rectangle.
Rectangles, of which squares are a special case.
All quadrilaterals have consecutive and opposite angles.
Consecutive angles are supplementary Diagonals bisect each other Opposite angles are congruent Opposite sides are parallel
square and a rectangle
quadrilaterals are consecutive and opposite angles always congruent?
There are instances that quadrilateral angles can be consecutive and opposite angles are congruent. The best examples are square and rectangle.
rectangle and square
Square and Rectangle
Rectangles, of which squares are a special case.
All quadrilaterals have consecutive and opposite angles.
Consecutive angles are supplementary Diagonals bisect each other Opposite angles are congruent Opposite sides are parallel
If one angle is right, then all angles are right. The diagonals of a parallelogram bisect each other. Opposite angles are congruent. Opposite sides are congruent. Consecutive angles are supplementary.
The Parallelogram Consecutive Angles Conjecture states that the consecutive angles in a parallelogram are supplementary. This means that the sum of two adjacent angles in a parallelogram is always 180 degrees. This property follows from the fact that opposite angles in a parallelogram are congruent.
square and a rectangle
Opposite sides are parallel, Consecutive angles are supplementary, Opposite angles are congruent, Opposite sides are congruent (APEX)
A trapezoid