1.	Which set of figures must be congruent?
		A.	two triangles with all sides 2 in. long
		B.	all answers are correct
		C.	two pentagons with all sides 2 in. long
		D.	two quadrilaterals with all sides 2 in. long
		Hint
	2.	A triangle has sides of 6 in., 9 in., and 15 in. It is scaled to make a new triangle with one side that is 3 in. What might the scale factor be?
		A.		B.
		C.	all answers are correct	D.
		Hint
	3.	A triangle has sides of 2 cm, 3 cm, and 4 cm. It is scaled to make a new triangle with one side that is 10 cm. What might the scale factor be?
		A.	10	B.	3
		C.	all answers are correct	D.	5
		Hint
	4.	Which set of ratios is equivalent?
		A.	and 3:2	B.	and
		C.	4:3 and	D.	2:7 and 8:14
		Hint
	5.	The triangles below are similar. Find x.
		A.	2	B.	5
		C.	1	D.	10
		Hint