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A square
a square
a rectangle
A square
Rhombus. Because a Rhombus has four congruent sides but no right angles.
A rhombus is a quadrilateral with four congruent sides. The opposite angles are congruent but not necessarily 90 degrees.
A quadrilateral has four interior angles. It may have two, three, four, or none of them congruent.
An impossibility. By definition a quadrilateral with 4 congruent sides must have congruent adjacent angles.
A quadrilateral is a plane figure with four straight sides and does not necessarily have any congruent angles. Some quadrilaterals such as, squares, rectangles, rhombuses, and parallelograms do have congruent angles.
square
Rhombus: A Rhombus has four congruent sides but no right angles.
Rectangle.
A square
a square
A quadrilateral, specifically a square or rectangle
A square, but not a rhombus because a rhombus does not have four congruent angles
A rhombus.