60
The 3 interior angles add up to 180 degrees
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