1.	In a triangle, a segment that joins a vertex of the triangle and the midpoint of the opposite side is called the __________.
		A.	hypotenuse	B.	perpendicular bisector
		C.	altitude	D.	median
		Hint
	2.	In is the _____.
		A.	altitude	B.	all of these
		C.	perpendicular bisector	D.	median
		Hint
	3.	Is an altitude of Explain.
		A.	Yes; because has one endpoint at vertex and is perpendicular to
		B.	No; because is outside
		C.	Yes; because is a perpendicular bisector of
		D.	No; because is not a median of
		Hint
	4.	A _________ is a line or segment that passes through the midpoint of a side of a triangle and is perpendicular to that side.
		A.	perpendicular bisector	B.	mode
		C.	angle bisector	D.	median
		Hint
	5.	In which picture is an angle bisector?
		A.		B.
		C.		D.
		Hint