They would be called "supplementary angles" because 90º + 90º = 180º and any two angles that add to 180º form straight, parallel, or congruent lines.
(Angles that add to 90 º are called complementary.)
Two right angles are supplementary.
A right trapezoid can have no congruent sides and two right angles.
It is a hexagon with two right angles: there is no special name for such a shape.
It has no right angles. It has two acute angles.
no a rectangle has 4 right angles
Two right angles are supplementary.
No, it has 4 right angles.
A trapezoid may have two right angles.
A right trapezoid can have no congruent sides and two right angles.
if numbers grow too large to represent at the fixed level of precision
All of the angles in a rectangle are right angles.
A kite can have exactly two right angles.
two lines that are perpendicular form right angles
It is a hexagon with two right angles: there is no special name for such a shape.
It can have 2 right angles but not always
A rectangle has two right angles and parcel sides
A right trapezoid has at least two right angles.