Question

If one angle of a parallelogram is right angle, then all its angle are ​

Answer 1

Step-by-step explanation:

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Answer 2

QUESTION☜☆

If one angle of a parallelogram is right angle, then all its angles are

ANSWER☜☆

If a parallelogram is known to have one right angle, then repeated use of co-interior angles proves that all its angles are right angles. If one angle of a parallelogram is a right angle, then it is a rectangle. ... A quadrilateral whose diagonals are equal and bisect each other is a rectangle.