Prove Quadrilateral Is Parallelogram

A quadrilateral is a parallelogram if a pair of opposite sides are ___________ and congruent.

• congruent

• perpendicular

• bisector

• parallel

A quadrilateral is a parallelogram if ______________ bisect each other

• sides

• diagonals

• angles

• vertices

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

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 angles equal

• Opposite sides parallel

• Opposite sides 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

• ASA

• SAS

• AAS

• SSS

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

• Opposite angles equal

• Opposite sides equal

• Diagonals bisect each other

• Not enough info