1.	The common endpoint of two rays is called a(n)
		A.	opposite ray.	B.	vertex.
		C.	side.	D.	angle.
		Hint
	2.	Which angle is an example of opposite rays?
		A.		B.
		C.		D.
		Hint
	3.	Name all angles with I as their vertex.
		A.	1, 2, 3	B.	HIJ, HIK, IJK
		C.	HIJ, HIK, KIJ	D.	H, J, K
		Hint
	4.	Name a point on the interior of the angle.
		A.	M	B.	X
		C.	Y	D.	N
		Hint
	5.	Name XYZ using the vertex only.
		A.	Y	B.	Z
		C.	X	D.	YXZ
		Hint