1.	Which of the following best describes the front and back cover of a textbook when closed?
		A.	parallel lines	B.	parallel planes
		C.	intersecting lines	D.	skew lines
		Hint
	2.	Which segment is skew to ?
		A.		B.
		C.		D.
		Hint
	3.	Name a pair of corresponding angles.
		A.	and	B.	and
		C.	and	D.	and
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	4.	8 and 13 are _______.
		A.	alternate exterior angles	B.	consecutive interior angles
		C.	corresponding angles	D.	alternate interior angles
		Hint
	5.	Which statement is true about skew lines?
		A.	They do not intersect.	B.	They lie in the same plane.
		C.	They intersect	D.	They are perpendicular
		Hint