A quadrilateral never has exactly 3 congruent angles. It can have none, two, two pairs of two, or four.
never
No. Only sometimes. A quadrilateral can have any number of congruent angles ... none, 2, 3, or 4.
Sometimes
yes it always hat two
A quadrilateral has four interior angles. It may have two, three, four, or none of them congruent.
Not sure what a "quadrilaters" is. A quadrilateral is a plane (2-dimensional) figure with four straight sides. It can have all four angles different. It can have two congruent angles (kite), 3 congruent angles (no specific name), 2 pair of two congruent angles (parallelogram/rhombus), or four congruent angles (rectangle/square).
A rectangle.
a rectangle
a rectangle
An isosceles trapezium, a rectangle or square.
It is a parallelogram