1.	In a triangle, a segment that joins a vertex of the triangle and the midpoint of the opposite side is called the __________.
		A.	median	B.	altitude
		C.	hypotenuse	D.	perpendicular bisector
		Hint
	2.	Is an altitude of Explain.
		A.	Yes; because is a perpendicular bisector of
		B.	No; because is not a median of
		C.	Yes; because has one endpoint at vertex and is perpendicular to
		D.	No; because is outside
		Hint
	3.	In which figure is a median and an angle bisector of and is an altitude?
		A.		B.
		C.		D.
		Hint
	4.	has vertices X(-1, 1), Y(3, 9), and Z(6, -2). Determine the coordinates of point W on so that is a median of
		A.	(1, 5)	B.	(2, 4)
		C.	(2, -1)	D.
		Hint
	5.	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.	median	B.	perpendicular bisector
		C.	angle bisector	D.	altitude
		Hint