1.	Which problem-solving strategy is used in indirect proofs?
		A.	guess and check	B.	decision-making
		C.	working backward	D.	draw a diagram
		Hint
	2.	Name the property that justifies if AB < BC and BC < CD, then AB < CD.
		A.	Division Property	B.	Comparison Property
		C.	Transitive Property	D.	Addition Property
		Hint
	3.	In the figure shown, is an exterior angle of Which statement is correct?
		A.		B.
		C.		D.
		Hint
	4.	Choose the possible measure for 1 in the figure shown.
		A.	180°	B.	11°
		C.	0°	D.	110°
		Hint
	5.	Complete the section of the indirect proof. Assume mA = mB and mB = mC. So, by ____________, mA = mC.
		A.	transitive property	B.	angle addition property
		C.	CPCTC	D.	reflexive property
		Hint