1.	The common endpoint of two rays is called a(n)
		A.	degree	B.	side
		C.	vertex	D.	angle
		Hint
	2.	Use a protractor to measure .
		A.	115	B.	180
		C.	65	D.	100
		Hint
	3.	Classify the given angle.
		A.	acute	B.	right
		C.	straight	D.	obtuse
		Hint
	4.	A skateboarding ramp is constructed with an angle of elevation of 40°. Classify this angle.
		A.	obtuse	B.	acute
		C.	straight	D.	right
		Hint
	5.	A mirror reflected a ray of light 145°. Classify the angle of reflection.
		A.	right	B.	acute
		C.	obtuse	D.	straight
		Hint