It is a hexagon with two right angles: there is no special name for such a shape.
rhombus
The name for a three-dimensional diamond shape is a "diamond." In geometry, a diamond is a type of parallelogram with four sides of equal length forming two pairs of congruent angles. It is also known as a rhombus, with all sides equal in length but with the angles not necessarily right angles.
A regular quadrilateral is a square. It is a four-sided figure with all sides being the same length and all angles equal (right angles).
A better name for "corners" would be angles, but the shape's name would be a hexagon
a parallelogram, maybe?
Rectangles have 2 pairs of right angles.
A rectangle or a square are sets of quadrilaterals with two pairs of right angles. They each have two pairs of right angles and two sets of equal sides.
square
rectangles
It is a hexagon with two right angles: there is no special name for such a shape.
rhombus
It is called a Rhombus.
A rectangle.
Both a 'kite' shape and a right-angled trapezium can have exactly two right angles
a pretty wierd shape
A shape with more than four sides, but has four right angles. There is no name for it.