Question

Which of the following is correct for a parallelogram?

• A. Diagonals are equal.
• B. Adjacent angles are supplementary.
• C. Adjacent angles are equal.
• D. All sides are equal.

Answer 1

The correct option is B Adjacent angles are supplementary.

A parallelogram has opposite sides as well as opposite angles equal but not the adjacent sides or angles
Also, the diagonals of a parallelogram bisect each other.
But adjacent angles are supplementary.