A quadrilateral is any shape with four sides; angles can be acute or obtuse. A perfect square is the only quadrilateral with only right angles.
A quadrilateral with 4 right angles is a rectangle
Square.
A rectangle.
Rectangle
a square
its called a square
A quadrilateral has 2 pair of congruent angles and 4 congruent sides. What is the name of the quadrilateral
It's a quadrilateral. There's no other name for it.
a quadrilateral with no right angle is?
It is a convex quadrilateral, as the remaining angles could be any two angles with a sum of 180 degrees.
Any quadrilateral in which at least one (and therefore at least two) angles are not right angles is not a rectangle. The majority of these do not have a specific name.