1.	Which set of figures must be congruent?
		A.	all answers are correct
		B.	two triangles with all sides 2 in. long
		C.	two pentagons with all sides 2 in. long
		D.	two quadrilaterals with all sides 2 in. long
		Hint
	2.	The triangles below are congruent. Find a.
		A.	a = 6	B.	a = 8
		C.	a = 5	D.	a = 7
		Hint
	3.	What needs to be true to determine whether two triangles are similar?
		A.	at least two sets of angles must be congruent
		B.	only one set of sides must be similar
		C.	only one set of sides must be congruent
		D.	only one set of angles must be congruent
		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.	5	B.	10
		C.	all answers are correct	D.	3
		Hint
	5.	The triangles below are similar. Find y.
		A.	35°	B.	110°
		C.	55°	D.	90°
		Hint