Rectangles (including squares).
quadrilaterals are consecutive and opposite angles always congruent?
2
rectangle and square
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.
Square and Rectangle
rectangle
rhombus
rectangle and parallelogram
Square and Rectangle
They are a square and a rhombus
Figures that do not always have congruent diagonals include trapezoids and general quadrilaterals. In a trapezoid, for instance, the diagonals can be of different lengths depending on the angles and side lengths. Similarly, most irregular quadrilaterals lack any specific properties that guarantee congruent diagonals. Only specific types of quadrilaterals, such as rectangles and squares, have congruent diagonals by definition.