Question

Which of these statements is true for all parallelograms?A. the diagonals are perpendicular to each otherB. the area is equal to the product of two adjacent sidesC. diagonals are congruentD. the opposite angles are congruent

Answer 1

The Solution.

For all parallelograms, the opposite angles are congruent.

So, the only option that is true of all the given options is option D.

Thus, the correct answer is option D.