There's no such name that covers all shapes with a 90 degree angle.
Squares have them, and so do rectangles.
A trapezoid could have one, but not more than one.
And any polygon with more than four sides can have one or more 90-degree angles,
but not all of its angles can be 90 degrees.
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A Right Angle
A right angle triangle has one 90 degree angle and two acute angles
A circle has 360 degrees and a square has four 90 degree angles as does a rectangle.It's called complementary. A 90 degree angle is called supplementary.
A 90 degree angle
A 90-degree angle is commonly called a right angle.