1.	The quadrilateral below is a parallelogram because_______.
		A.	the diagonals are not congruent	B.	the diagonals are perpendicular
		C.	the diagonals bisect each other	D.	it is a square
		Hint
	2.	Which are the coordinates of the vertices of a parallelogram?
		A.	(-2, 1), (-3, 2), (-4, 3), (1, 1)
		B.	(0, 0), (1, 2), (6, 2), (4, 0)
		C.	(4, 1), (3, 5), (0, -2), (3, 3)
		D.	(-3, 2), (-1, 3), (2, 2), (0, 1)
		Hint
	3.	In rectangle ABCD, AC = 24 and DE = 2x - 8. Find x.
		A.	10	B.	16
		C.	7	D.	13
		Hint
	4.	Which of the following are the coordinates of the vertices of a rectangle?
		A.	(-2, -3), (0, 0), (-3, -2), (-2, 1)
		B.	(3, 5), (7, 5), (5, 1), (1, 1)
		C.	(2, 0), (1, -3), (-2, -2), (-1, 1)
		D.	(5, 4), (6, 2), (1, 0), (2, 1)
		Hint
	5.	In parallelogram ABCD, B ________.
		A.	C	B.	A
		C.	D	D.	A and C
		Hint
	6.	In the figure of the rectangle, which pair of angles is not necessarily complementary?
		A.	2 and 3
		B.	1 and 7
		C.	5 and 6
		D.	3 and 8
		Hint
	7.	If bisects ABC and ADC, and P is the midpoint of , then ABCD can be most precisely defined as a _______.
		A.	square	B.	quadrilateral
		C.	rectangle	D.	rhombus
		Hint
	8.	Given that is the median of trapezoid ZYXW, find the value of x.
		A.	27	B.	15
		C.	4	D.	21
		Hint
	9.	Find the measure of .
		A.	29°	B.	75°
		C.	140°	D.	110°
		Hint
	10.	Find the slope of for isosceles trapezoid ABCD.
		A.		B.
		C.		D.
		Hint