Parallelograms and their Properties

What term is used to describe a four-sided polygon?

• Quadrilateral

• Segments

• Vertices

• Equilibrium

What are the parts that form the sides of a quadrilateral?

• Quadrilateral

• Segments

• Vertices

• Equilibrium

What are the parts that form the sides of a quadrilateral?

• Quadrilateral

• Segments

• Vertices

• Equilibrium

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

• Opposite sides are equal.

• Opposite angles are equal.

• The diagonals are always equal.

• Consecutive angles are supplementary.

If one angle of a parallelogram measures 70°, what is the measure of its consecutive angle?

• 70°

• 110°

• 180°

• 90°

In parallelogram ABCD, if ∠A = 65°, what is ∠B?

In parallelogram ABCD, if AB = 2x + 3 and CD = 3x – 2, find the value of x.

In parallelogram ABCD, if AB = 5 cm and the height from D to AB is 4 cm, what is the area of the parallelogram?

In parallelogram ABCD, if ∠D = 120°, what is the measure of the opposite angle?