Solving Problems Using Parallelogram Properties

In a parallelogram, consecutive angles are __________.

• congruent

• supplementary

• corresponding

• parallel

In a parallelogram, diagonals are __________.

• perpendicular

• bisected

• congruent

• parallel

The opposite sides of a parallelogram are...

• congruent

• perpendicular

• skew

• supplementary

Find the m∠R.

• 40°

• 140°

• 50°

• 180°

A parallelogram has both pairs of opposite sides ____________.

• Parallel

• Congruent

• Parallel and Congruent

In the picture, side AB must be equal to which side?

• AE

• AD

• CD

• BC

Which is NOT a property of a parallelogram?

• Diagonals bisect each other

• Diagonals are equal

• Both pairs of opposite sides are parallel

• Both pairs of opposite angles are congruent

The opposite sides of a parallelogram are equal.

• true

• false

• maybe

• sometimes

Consecutive angles of a parallelogram are supplementary

• sometimes true

• always true

• never true

What is the best definition of a parallelogram?

• quadrilateral with one pair of parallel sides 

• quadrilateral with two pairs of parallel sides

• any four sided figure with opposite sides congruent 

• a quadrilateral with two pairs of congruent sides