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

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

  3.   What is the measure of ?
   
    A. 7.2 B. 9
    C. 8.75 D. 5.14
    Hint

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

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