diagonals of parallelogram divides the parallelogram into two congruent triangles
*always *sometimes * never
explanations; Ask if the diagonals of a parallelogram are ALWAYS congruent (no). They will see that the diagonals are always congruent, but not always perpendicular. A rhombus is shown on page 1.6. Remind students that a rhombus is a parallelogram with four congruent sides.
