Parallelograms

Find the value of x that makes the quadrilateral a parallelogram.

Mathematical Equivalence

ON

Refer to parallelogram ABCD. LABEL what x and side AB should be.

a

b

17

25

4

65

260

100

• x = 40 , y = 40 
• x = 30, y = 30
• x = 40, y = 30
• x = 30, y = 40

• x = 23, y = 10

• x = 10, y = 23

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

• 10

• 11

• 7

• 5

The figure is a parallelogram.  
Solve for x.  

• 1

• 11

• 7

• 6

The figure is a parallelogram.  
Solve for x.  

• 7

• 2

• 0

• 4

What is the value of x?

• 132

• 66

• 114

• 48

The figure is a parallelogram.  
Solve for x.  

• 1

• 8

• 2

• 6

The figure is a parallelogram.  
Solve for x.  

• 1
• 10
• 4
• 5