1.	The common endpoint of two rays is called a(n)
		A.	vertex	B.	angle
		C.	degree	D.	side
		Hint
	2.	Use a protractor to measure .
		A.	115	B.	100
		C.	180	D.	65
		Hint
	3.	What type of angle is shown below?
		A.	right	B.	acute
		C.	obtuse	D.	straight
		Hint
	4.	Classify the given angle.
		A.	acute	B.	right
		C.	obtuse	D.	straight
		Hint
	5.	A mirror reflected a ray of light 145°. Classify the angle of reflection.
		A.	straight	B.	acute
		C.	obtuse	D.	right
		Hint