Properties of Parallelograms

(a)   angles of parallelograms are congruent.

• Consecutive
• Opposite
• parallel
• diagonal

Consecutive angles of parallelograms are ______.

• bisected

• congruent

• supplementary

• complementary

In parallelogram ABCD,   (a)   is parallel to AB.

• CD
• BC
• DA

x = ______

y = ______

The figure is a parallelogram.  
Solve for x.  

• 1
• 11
• 7
• 6

The figure is a parallelogram.  
Solve for x.  

• 11
• 10
• 6
• 2

Determine the property being used to solve the problem.

• Opposite SIDES are congruent

• Opposite ANGLES are congruent

• Consecutive angles are supplementary

• Diagonals bisect each other

Determine the property being used to solve the problem.

• Opposite SIDES are congruent

• Opposite ANGLES are congruent

• Consecutive angles are supplementary

• Diagonals bisect each other

Determine the property being used to solve the problem.

• Opposite SIDES are congruent

• Opposite ANGLES are congruent

• Consecutive angles are supplementary

• Diagonals bisect each other