1.	Refer to the design shown. How many of the triangles in the design appear to be congruent to triangle A?
		A.	6	B.	12
		C.	8	D.	10
		Hint
	2.	Most residential roofs are made of roof trusses. A diagram of a roof truss is shown. Notice that it is triangular in shape. Name the corresponding sides.
		A.	, ,
		B.	, ,
		C.	, ,
		D.	, ,
		Hint
	3.	Two triangles are necessarily congruent if and only if __________.
		A.	their corresponding sides and corresponding angles are congruent, and they are rotated to the same position.
		B.	two of their sides are congruent.
		C.	their corresponding sides and corresponding angles are congruent.
		D.	their corresponding angles are congruent.
		Hint
	4.	How many other triangles in the figure appear to be congruent to ABC?
		A.	4	B.	8
		C.	7	D.	3
		Hint
	5.	If triangle FGH is congruent to triangle JKI, name the corresponding angles.
		A.	F G, H I, J K
		B.	F I, G J, H K
		C.	F K, G I, H J
		D.	F J, G K, H I
		Hint