A parallelogram is a quadrilateral (four-sided polygon) with two pairs of parallel sides. By definition, a parallelogram does not need to have all right angles. Think of rhombuses, which do not have any right angles, yet are parallelograms. Therefore, the answer is no.
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no a parallelogram dosent have 4 right angles
Rectangle, possibly a square. Definition of rectangle is "parallelogram with one right angle". Think about that and you'll realise that all angles thus have to be right.
Yes. If it has ONE right angle, then ALL four angles are right angles.
No because a parallelogram in the shape of a rectangle has 4 right angles
Depends on your question. A rectangle is a parallelogram and has 4 right angles. BUT A parallelogram can have only a total of one, two, or four right angles. Mathematically, 3 right angles is 270 degrees. A parallelogram has 360 degrees. 360 - 270 = 90 degrees = right angle.