1.	Is an altitude of Explain.
		A.	No; because is not a median of
		B.	No; because is outside
		C.	Yes; because has one endpoint at vertex and is perpendicular to
		D.	Yes; because is a perpendicular bisector of
		Hint
	2.	A _________ is a line or segment that passes through the midpoint of a side of a triangle and is perpendicular to that side.
		A.	median	B.	mode
		C.	angle bisector	D.	perpendicular bisector
		Hint
	3.	In which figure is a median and an angle bisector of and is an altitude?
		A.		B.
		C.		D.
		Hint
	4.	The segment that has one endpoint at one of the vertices of a triangle and its other endpoint on a line containing the opposite side of the triangle, and is perpendicular to the opposite side of the triangle, is called the __________.
		A.	angle bisector	B.	median
		C.	perpendicular bisector	D.	altitude
		Hint
	5.	What best describes
		A.	altitude	B.	median
		C.	angle bisector	D.	perpendicular bisector
		Hint