A rectangle has 4 right angles.
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It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.
One property of a rectangle is that all angles of the figure are right angles.
A quadrilateral can have two right angles and still not be a rectangle, if one side is oblique (neither right nor parallel) to the others, but three right angles force the fourth, and you have a rectangle.
A rectangle cannot have any obtuse angles; it contains only right angles. Parallelograms can have two, provided that the others are acute.
A rectangle is a special kind of parallelogram ... one with right angles.