Quadrilateral Theorem

For what value of x is the figure a parallelogram?

• -8

• 8

• -13

• 13

For what value of x is the figure a parallelogram?

• 3.43

• 12

• 10

• 8.12

For what value of x and y is the figure a parallelogram?

• x=20

  y=24

• x=0

  y=24

• x=20

  y=12

• x=0

  y=12

WXYZ is a parallelogram, what is the measure of angle X?

• 150 degrees

• 30 degrees

• 50 degrees

• Cannot be determined

Determine the correct reason for statement #4.

• opposite sides of a parallelogram are congruent theorem

• all sides are parallel

• sides are congruent

• sides are supplementary

• ASA

• SAS

• AAS

• SSS

Fill in the Reason.

• Opposite sides of a parallelogram are congruent.

• definition of parallelogram

• Prove

• CPCTC

Given this information, which quadrilateral is proven?

• Parallelogram

• Rectangle

• Rhombus

• Square

Is the quadrilateral a parallelogram? If yes, state how you know.

• Opposite sides parallel

• Opposite sides equal

• Opposite sides parallel and equal

• Not enough info

Is the quadrilateral a parallelogram? If yes, state how you know.

• Opposite sides equal

• Diagonals bisect each other

• Opposite angles equal

• Not enough info