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Which steps will verify that a parallelogram is a rectangle? Check all that apply.
Calculate the lengths of the diagonals, and show that they are equal.
Calculate the lengths of all sides, and show that both pairs of opposite sides are congruent.
Calculate the slope of each diagonal, and show that the lines are perpendicular.
Calculate the midpoints of each diagonal, and show the diagonals bisect each other.
Calculate the slopes of every side, and show that adjacent sides are perpendicular.

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From the list of choices, there are two correct answers. To verify that a given parallelogram is a rectangle, you can calculate the lengths of all sides, and show that both pairs of opposite sides are congruent and calculate the slopes of every side, and show that adjacent sides are perpendicular.
rahulsharma789888

The  steps that will verify that a parallelogram is a rectangle are written below  

(2) Calculate the lengths of all sides, and show that both pairs of opposite sides are congruent.

(4) Calculate the midpoints of each diagonal, and show the diagonals bisect each other.

The rectangle and the parallelogram both have some similarities that are listed below

In both rectangle and parallelogram

  1. The opposite sides are equal to each other. So in both , the opposite sides are congruent.  
  2. The opposite sides parallel to each other.
  3. Diagonals of both rectangle and parallelogram bisect each other.

Hence option 2 is correct which states that

Calculate the lengths of all sides, and show that both pairs of opposite sides are congruent.

Also from third similarity

We can say that option 4 is also correct which states that

Calculate the midpoints of each diagonal, and show the diagonals bisect each other.

For more information please refer to the link below

https://brainly.com/question/9680084