1.	Which figure shows altitude ?
		A.		B.
		C.		D.
		Hint
	2.	One of the altitudes of is _________.
		A.		B.
		C.		D.
		Hint
	3.	In , which segment is not an altitude?
		A.		B.
		C.		D.
		Hint
	4.	Classify .
		A.	all of these	B.	altitude
		C.	median	D.	perpendicular bisector
		Hint
	5.	Given the diagram of ACE, identify an altitude.
		A.		B.
		C.		D.
		Hint