1.	The sum of the measures of the angles of a triangle is ____ .
		A.	270	B.	180
		C.	90	D.	360
		Hint
	2.	What is mD in
		A.	53	B.	37
		C.	90	D.	17
		Hint
	3.	Determine the value of n for triangle NOP.
		A.	72	B.	144
		C.	54	D.	36
		Hint
	4.	Find mB if mA = x + 3 and mB = 3x + 1.
		A.	81	B.	30
		C.	82	D.	27
		Hint
	5.	Find the value of y.
		A.	89	B.	54
		C.	88	D.	53
		Hint