1.	In a triangle, a segment that joins a vertex of the triangle and the midpoint of the opposite side is called the __________.
		A.	perpendicular bisector	B.	median
		C.	altitude	D.	hypotenuse
		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.	perpendicular bisector	B.	mode
		C.	angle bisector	D.	median
		Hint
	3.	In which figure is a median and an angle bisector of and is an altitude?
		A.		B.
		C.		D.
		Hint
	4.	In which picture is an angle bisector?
		A.		B.
		C.		D.
		Hint
	5.	The __________ is the point of concurrency of the angle bisectors of a triangle.
		A.	orthocenter	B.	incenter
		C.	circumcenter	D.	centroid
		Hint