Proving Parallelogram Properties

Is the quadrilateral a parallelogram?

• Yes; one pair of opposite sides are parallel

• Yes; one pair of opposite sides are congruent

• Yes; one pair of opposite sides are parallel and congruent

• No; only one pair of sides are parallel

• No; only one pair of sides are congruent

Which theorem shows that the quadrilateral is a parallelogram?

• Parallelogram Diagonals Converse

• Parallelogram Opposite Sides Converse

• Parallelogram Opposite Angles Converse

• Opposite Sides Parallel and Congruent Theorem

Which theorem shows that the quadrilateral is a parallelogram?

• Parallelogram Diagonals Converse

• Parallelogram Opposite Sides Converse

• Parallelogram Opposite Angles Converse

• Opposite Sides Parallel and Congruent Theorem

Which theorem shows that the quadrilateral is a parallelogram?

• Parallelogram Diagonals Converse

• Parallelogram Opposite Sides Converse

• Parallelogram Opposite Angles Converse

• Opposite Sides Parallel and Congruent Theorem

Find the values of x and y that make the quadrilateral a parallelogram.

• x = 3, y = 2

• x = 25, y = 15

• x = 15, y = 25

• x = 113, y = 67

Find the values of x and y that make the quadrilateral a parallelogram.

• x = 4, y = 3

• x = 3, y = -2

• x = 1, y = 4

• x = 3, y = 4

Find the value of x that makes the quadrilateral a parallelogram.

• x = -4

• x = 1

• x = 8

• x = 34

The opposite sides and opposite angles of a parallelogram are...

• congruent

• supplementary

• perpendicular

• not congruent

If Quadrilateral ABCD is a Parallelogram the measure of ∠C is 

• 68°

• 112°

• 22°

• 158°

How long is the side CD?

• 7

• 3

• 35

• 27