1.	Estimate the measure of .
		A.	90°	B.	45°
		C.	60°	D.	30°
		Hint
	2.	Estimate the measure of the angle shown.
		A.	50°	B.	5°
		C.	75°	D.	20°
		Hint
	3.	What is a reasonable estimate for the measure of the angle shown?
		A.	100°	B.	85°
		C.	65°	D.	130°
		Hint
	4.	Identify the angle that measures 60°.
		A.		B.
		C.		D.
		Hint
	5.	Which angle measures 30°?
		A.		B.
		C.		D.
		Hint