No parallelogram can have only one right angle. The consecutive angles of a parallelogram must be supplementary, meaning they must add up to 180. 180-90=90, so all the angles must be right angles.
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A right angle.
It's a rectangle. (And that includes the possibility of a square).The answer would be the same if you only said "... a parallelogram with a right angle."
No. A parallelogram only has a total of 4 angles. They may either all be right angles, or none of them is a right angle.No. A parallelogram only has a total of 4 angles. They may either all be right angles, or none of them is a right angle.No. A parallelogram only has a total of 4 angles. They may either all be right angles, or none of them is a right angle.No. A parallelogram only has a total of 4 angles. They may either all be right angles, or none of them is a right angle.
Rectangles and squares are the only parallelograms that contain 90 degree angles.
No, because all lines need to be parallel from the one they're across.