Prove Parallelogram

State which method we can use to show that the quadrilateral is a parallelogram. 

• Both pairs of opposite angles are congruent.

• Both pairs of opposite sides are congruent.

• Both pairs of diagonals bisect each other.

• Both pairs of opposite sides are parallel. 

Which property is shown with the markings in the diagram?

• one pair of opp sides congruent and parallel

• opp sides congruent

• Opposite sides are parallel

• diagonals bisect each other

Is there enough information to determine that this quadrilateral is a parallelogram?

• yes

• no

Which property is shown with the markings in the diagram?

• One pair of opposite sides are congruent and parallel

• Opposite sides are congruent

• Opposite sides are parallel

• diagonals bisect each other

Is there enough information to determine that this quadrilateral is a parallelogram?

• yes

• no

Is the quadrilateral a parallelogram?

• Yes; one pair of opposite sides are parallel

• Yes; one pair of opposite sides are congruent

• Yes; opposite sides are parallel and congruent

• No; only one pair of sides are parallel

• No; only one pair of sides are congruent

Is this a parallelogram

• Yes, both pairs of opposite sides are parallel

• Yes, both pairs of opposite sides are congruent

• Yes, both pairs of opposite angles are congruent

• Yes, one pair of sides is both congruent and parallel

• No

Is there enough information to determine that this quadrilateral is a parallelogram?

• yes

• no

Is this a parallelogram? How do we know?

• yes,opposite sides are congruent

• no we can not prove it is a parallelogram

• yes, one pair of sides are congruent and parallel

• yes, opposite sides are parallel

• yes, diagonals bisect each other

Is this a parallelogram

• Yes, both pairs of opposite sides are parallel

• Yes, both pairs of opposite sides are congruent

• Yes, both pairs of opposite angles are congruent

• Yes, one pair of sides is both congruent and parallel

• No