1.	Which set of figures must be congruent?
		A.	two quadrilaterals with all sides 2 in. long
		B.	two pentagons with all sides 2 in. long
		C.	all answers are correct
		D.	two triangles with all sides 2 in. long
		Hint
	2.	Which triangle is similar to a triangle with side lengths 2 cm, 5 cm, and 6 cm.
		A.	a triangle with side lengths 1 cm, 10 cm, and 15 cm
		B.	a triangle with side lengths 4 cm, 10 cm, and 12 cm
		C.	a triangle with side lengths 4 cm, 7 cm, and 8 cm
		D.	a triangle with side lengths 3 cm, 7.5 cm, and 8 cm
		Hint
	3.	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.		D.	all answers are correct
		Hint
	4.	Which set of ratios is equivalent?
		A.	and 3:2	B.	4:3 and
		C.	2:7 and 8:14	D.	and
		Hint
	5.	The triangles below are similar. Find x.
		A.	1	B.	5
		C.	2	D.	10
		Hint