1.   Refer to the design shown. How many of the triangles in the design appear to be congruent to triangle A?
   
    A. 6 B. 8
    C. 12 D. 10
    Hint

  2.   Congruence of triangles is reflexive, _____________, and transitive.
    A. associative B. distributive
    C. commutative D. symmetric
    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 angles are congruent.
    D. their corresponding sides and corresponding angles are congruent.
    Hint

  4.   How many other triangles in the figure appear to be congruent to ABC?
   
    A. 8 B. 7
    C. 3 D. 4
    Hint

  5.   If then triangle WXY is congruent to triangle _______.
   
    A. WZY B. YZW
    C. ZWY D. WYZ
    Hint



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