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

  2.   Which statement is true?
    A. Any two right triangles are similar. B. Any two equilateral triangles are similar.
    C. Any two isosceles triangles are similar. D. Any two triangles are similar.
    Hint

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

  4.   The two triangles shown are similar by __________.
   
    A. SAS Similarity B. ASA Similarity
    C. SSS Similarity D. AA Similarity
    Hint

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