Parallelograms, Rectangles, Rhombii, Square, OH MY!

Adjacent angles of a parallelogram are supplementary (add to 180 degrees)

• sometimes true
• always true
• never true

Opposite angles of a square are supplementary

• always true 
• sometimes true
• never true

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

Find the measurement indicated in each parallelogram.

• A

• B

• C

• D

Solve for x. The figure is a PARALLELOGRAM.

• A

• B

• C

• D

Find the measurement indicated in each parallelogram.

• A

• B

• C

• D

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

• 10
• 11
• 7
• 5

Pictured is a PARALLELOGRAM. Find the value of x and y.

• x = 70, y = 80
• x = 70, y = 30
• x = 80, y = 70
• x = 80, y = 30

The figure is a rectangle. Find a.

• 21

• 17