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which of the following are necessary when proving that the opposite sides of a parallelogram are congruent? A. Alternate interior angles are supplementary. B. Opposite sides are parallel. C.Opposite sides are perpendicular. D.Alternate interior angles are congruent

Respuesta :

Alternate interior angles are not supplementary, because the supplementary angle is 180 degrees. Statement A is incorrect in the parallelogram.

What is the parallelogram?

It is a polygon that has four sides and four corners. The sum of the internal angle is 360 degrees. In parallelogram opposite sides is parallel. And its diagonals are not equal but intersect at the mid-point.

  1.  Alternate interior angles are not supplementary, because the supplementary angle is 180 degrees.
  2.  The opposite sides are parallel because it is a parallelogram.
  3.  Opposite sides may be perpendicular because it is a condition of the rectangle.
  4.  Alternate interior angles are congruent because when two lines are parallel then their alternate angles are equal.

Thus, Statement A is not correct in the parallelogram.

More about the parallelogram link is given below.

https://brainly.com/question/1563728

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