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.	two triangles with all sides 2 in. long
		D.	all answers are correct
		Hint
	2.	The triangles below are congruent. Find b.
		A.	b = 6	B.	b = 7
		C.	b = 5	D.	b = 8
		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.	all answers are correct	D.
		Hint
	4.	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.	all answers are correct	B.	10
		C.	5	D.	3
		Hint
	5.	The triangles below are similar. Find y.
		A.	55°	B.	90°
		C.	110°	D.	35°
		Hint