1.   Which triangle is not similar to the other three?
   
    A. GHI B. ABC
    C. DEF D. JKL
    Hint

  2.   Find the value of y in the figure.
   
    A. 4 B. 8
    C. 5 D. 7
    Hint

  3.   Which one of the triangles shown is not similar to the others?
   
    A. Z B. W
    C. X D. Y
    Hint

  4.   Find the value of x.
   
    A. 7.5 B. 4.5
    C. 5 D. 12.5
    Hint

  5.   What is a property that similarity of triangles does not have?
    A. symmetric B. reflexive
    C. transitive D. commutative
    Hint