no triangle do not have four congruent angles
In all parallelograms, opposite angles and opposite sides are congruent. If all four sides are congruent, it's a rhombus. If all four angles are congruent, it's a rectangle. If all four sides and all four angles are congruent, it's a square.
A square
A parallelogram with no right angles and four congruent sides is a Rhombus.
A rhombus has 4 congruent sides, but it does not necessarily have 4 congruent angles.
no triangle do not have four congruent angles
In all parallelograms, opposite angles and opposite sides are congruent. If all four sides are congruent, it's a rhombus. If all four angles are congruent, it's a rectangle. If all four sides and all four angles are congruent, it's a square.
A square
No, a rectangle has to have four congruent angles.
A rhombus is a parallelogram with all four sides congruent to each other with no right angles. A square is a parallelogram with four congruent sides and four right angles.
A parallelogram with no right angles and four congruent sides is a Rhombus.
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 rhombus has 4 congruent sides, but it does not necessarily have 4 congruent angles.
4 right angles, by definition, are four angles of the same measure, and therefore must be congruent angles.
Rhombus: A Rhombus has four congruent sides but no right angles.
A quadrilateral has four interior angles. It may have two, three, four, or none of them congruent.
A square, because congruent means equal.