Question

which statement is true about every parallelogram? two pairs of opposite sides are congruent. all four sides are congruent. the interior angles are all congruent. the diagonals are perpendicular to each other.

Explanation:

• All four sides congruent only applies to rhombuses/squares, not all parallelograms.
• All interior angles congruent is true for rectangles/squares, not all parallelograms.
• Diagonals perpendicular is true for rhombuses/squares, not all parallelograms.
• By definition, every parallelogram has two pairs of congruent opposite sides.

Answer:

Two pairs of opposite sides are congruent.