11.2 Conditions

To use the converse of opposite angles of a parallelogram theorem, we need...

• A pair of sides that are congruent AND parallel

• 2 pairs of opposite sides that are congruent

• 2 pairs of opposite angles that are congruent

• diagonals that bisect eachother

To use the converse of diagonals of a parallelogram theorem, we need...

• A pair of sides that are congruent AND parallel

• 2 pairs of opposite sides that are congruent

• 2 pairs of opposite angles that are congruent

• diagonals that bisect eachother

To use Opposite Sides Criteria for a parallelogram theorem, we need...

• A pair of sides that are congruent AND parallel

• 2 pairs of opposite sides that are congruent

• 2 pairs of opposite angles that are congruent

• diagonals that bisect eachother

To use the converse of the opposite sides of a parallelogram theorem, we need...

• A pair of sides that are congruent AND parallel

• 2 pairs of opposite sides that are congruent

• 2 pairs of opposite angles that are congruent

• diagonals that bisect eachother

Which theorem proves that the quadrilateral is a parallelogram?

• Converse of Opposite Sides of a Parallelogram Theorem

• Converse of Opposite Angles of a Parallelogram Theorem

• Converse of the Diagonals of a Parallelogram Theorem

• Opposite Sides Criteria for a Parallelogram Theorem

Which theorem proves that the quadrilateral is a parallelogram?

• Converse of Opposite Sides of a Parallelogram Theorem

• Converse of Opposite Angles of a Parallelogram Theorem

• Converse of the Diagonals of a Parallelogram Theorem

• Opposite Sides Criteria for a Parallelogram Theorem

Which theorem proves that the quadrilateral is a parallelogram?

• Converse of Opposite Sides of a Parallelogram Theorem

• Converse of Opposite Angles of a Parallelogram Theorem

• Converse of the Diagonals of a Parallelogram Theorem

• Opposite Sides Criteria for a Parallelogram Theorem

Which theorem proves that the quadrilateral is a parallelogram?

• Converse of Opposite Sides of a Parallelogram Theorem

• Converse of Opposite Angles of a Parallelogram Theorem

• Converse of the Diagonals of a Parallelogram Theorem

• Opposite Sides Criteria for a Parallelogram Theorem

How would you like to complete today's practice?

• Whiteboards

• Groups