All quadrilaterals have diagonally adjacent angles.
quadrilaterals are consecutive and opposite angles always congruent?
Diagonally opposite angles of a rectangle or square is one example.
Rectangles or squares; both of these have only right angles, so all the angles are congruent.
square and a rectangle
Are complementary angles alwys adjacent?
A quadrilateral with equal adjacent angles is called a rectangle. In a rectangle, each angle measures 90 degrees, and adjacent angles are equal. This property distinguishes rectangles from other quadrilaterals, such as rhombuses or parallelograms, where angles may not be right angles.
rectangle
All quadrilaterals apart from rectangles. Even parallelograms have adjacent angles that are not equal.
2
No.
A quadrilateral in which adjacent angles are congruent is called a kite. In a kite, the adjacent angles formed by the intersecting diagonals are congruent. This property distinguishes a kite from other types of quadrilaterals, such as a parallelogram or a rhombus, where adjacent angles are not necessarily congruent. Kites have specific properties and characteristics that make them a unique type of quadrilateral in geometry.
Not always but all 4 sided quadrilaterals have 4 interior angles that add up to 360 degrees