1.	Which of the following best describes the front and back cover of a textbook when closed?
		A.	intersecting lines	B.	parallel planes
		C.	skew lines	D.	parallel lines
		Hint
	2.	Which segment is skew to ?
		A.		B.
		C.		D.
		Hint
	3.	How many segments intersect ?
		A.	4	B.	5
		C.	6	D.	3
		Hint
	4.	Name a pair of consecutive interior angles.
		A.	10 and 8	B.	10 and 9
		C.	6 and 7	D.	4 and 6
		Hint
	5.	8 and 13 are _______.
		A.	corresponding angles	B.	alternate interior angles
		C.	alternate exterior angles	D.	consecutive interior angles
		Hint