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

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

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

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

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