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

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

  3.   Find the value of x in the figure.
   
    A. 3.6 B. 3.2
    C. 4.8 D. 5.4
    Hint

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

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