1.	The quadrilateral below is a parallelogram because_______.
		A.	the diagonals bisect each other
		B.	it has four sides
		C.	both pairs of opposite angles are congruent
		D.	both pairs of opposite sides are congruent
		Hint
	2.	The quadrilateral below is a parallelogram because_______.
		A.	it is a square	B.	the diagonals are perpendicular
		C.	the diagonals are not congruent	D.	the diagonals bisect each other
		Hint
	3.	The coordinates of the vertices of WXYZ are W(-3, 3), X(6, 6), Y(1, 0), and Z(-5, -2).Determine if WXYZ is a parallelogram. Explain.
		A.	Yes. The two sets of opposite sides are parallel.
		B.	No. is not parallel to .
		C.	No. is not parallel to .
		D.	Yes. The two diagonals bisect each other.
		Hint
	4.	What value of ensures that QRST is a parallelogram?
		A.	63°	B.	117°
		C.	36°	D.	37°
		Hint
	5.	Find the values of x. and y that ensure that LMNO is a parallelogram.
		A.	x = 8, y = 1	B.	x = , y = 4
		C.	x = , y =	D.	x = 4, y =
		Hint