Grade 9 Reviewer

What is true about the opposite angles of a parallelogram?

• They are complementary.

• They are congruent.

• They are supplementary.

• They are perpendicular.

What happens to the diagonals of a parallelogram?

• They are complementary.

• They bisect each other.

• They are supplementary.

• They are perpendicular to each other.

Which of the following best defines a parallelogram?

• A quadrilateral with one pair of parallel sides

• A quadrilateral with both pairs of opposite sides are parallel

• A quadrilateral with all sides equal

• A quadrilateral with one right angle

Which of the following is NOT a property of a parallelogram?

• Opposite angles are congruent

• Opposite sides are congruent

• Diagonals bisect each other

• Diagonals are perpendicular

In a parallelogram, consecutive angles are __________.

• congruent

• supplementary

• corresponding

• parallel

What is the length of CD?

What is the length of BD?

What is the length of AC?

What is the m∠B?

What is the value of x?