Solve Properties of Parallelograms and Polygons Diagonals

The figure is a parallelogram.  
Solve for x.  

• 1

• 11

• 7

• 6

The figure is a parallelogram.  
Solve for x.  

• 7

• 2

• 0

• 4

Which of the following properties is true about parallelograms?

• Base angles are congruent.

• Diagonals are congruent.

• Opposite sides are parallel.

The diagonals of a parallelogram _______ each other.

• bisect

• equal

• are perpendicular to

• complement

If ABCD is a parallelogram, what is the length of BD? 

• 10

• 11

• 7

• 5

Select all properties of parallelograms.​ (a)   ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• opposite sides are parallel

• opposite sides are congruent

• opposite angles are congruent

• diagonals bisect each other

• all angles are congruent (right)

• all sides are congurent

• diagonals are congurent

• consecutive angles are supplementary

• diagonals are perpendicular

• diagonals bisect angles

Opposite sides of parallelograms are _______ and _______.

• parallel

  congruent

• congruent

  consecutive

• parallel

  perpendicular

• parallel

  supplementary

______ angles of parallelograms are congruent.

• Consecutive

• Opposite

• parallel

• diagonal

Consecutive angles of parallelograms are ______.

• bisected

• congruent

• supplementary

• complementary

If ABCD is a parallelogram, what is the length of BD? 

• 10

• 11

• 7

• 5