1.	In parallelogram ABCD, AB is parallel to_______.
		A.		B.
		C.		D.
		Hint
	2.	Find the values of x and y that ensure that the quadrilateral is a parallelogram.
		A.	x = 16, y = 12	B.	x = 13, y = 12
		C.	x = 12, y = 13	D.	x = 16, y = 26
		Hint
	3.	In the rhombus below, and . What is the value of x?
		A.		B.	6
		C.		D.	10
		Hint
	4.	The measures of a pair of base angles of an isosceles trapezoid are 7x - 12 and 5x + 6. Find the value of x.
		A.	6	B.	3
		C.	9	D.	12
		Hint
	5.	ABCD is a parallelogram. What are the coordinates of C?
		A.	(a + b, c)	B.	(a, c)
		C.	(b, a + c)	D.	(b, c)
		Hint
	6.	In parallelogram ABCD, B ________.
		A.	D	B.	A
		C.	A and C	D.	C
		Hint
	7.	Find the values of x. and y that ensure that LMNO is a parallelogram.
		A.	x = 8, y = 1	B.	x = 4, y =
		C.	x = , y = 4	D.	x = , y =
		Hint
	8.	The coordinates of three vertices of a rectangle are (0, 4), (2, 3), and (-1, -3). What is the fourth vertex?
		A.	(-3, 0)	B.	(-3, -4)
		C.	(-3, -2)	D.	(-3, 10)
		Hint
	9.	If ACDF is a rectangle, what is mAEC?
		A.	70°	B.	90°
		C.	135°	D.	45°
		Hint
	10.	In rhombus EFGH, m1 = 57°. What is m2?
		A.	57°	B.	75°
		C.	43°	D.	33°
		Hint
	11.	An isosceles trapezoid has vertices at (-1, 5), (2, 2), (0, -4), and (-7, 3). Find the measure of each diagonal.
		A.		B.
		C.	8	D.	10
		Hint
	12.	The measure of an exterior angle of a regular polygon is 60. How many sides does the polygon have?
		A.	3	B.	12
		C.	6	D.	9
		Hint
	13.	Find the sum of the measures of the interior angles of a regular 16-gon.
		A.	2520	B.	3240
		C.	2848	D.	2880
		Hint
	14.	Find the x-coordinate of R if PQRS is a rectangle.
		A.	2a	B.	b
		C.	a	D.	2b
		Hint