1.   Which triangle is similar to
   
    A.
    B.
    C.
    D.
    Hint

  2.   and are similar. Find b if x = 15, y = 6,
and a = 7.5.
   
    A. 6 B. 7.5
    C. 12 D. 3
    Hint

  3.   and are similar. The ratio of to is Find if is 12.
   
    A. 16 B.
    C. 9 D. 12
    Hint

  4.   What is the value of x in the picture?
   
    A. 13.5 B. 10.3
    C. 6 D. 4
    Hint

  5.   Which of the following is not necessarily true concerning similar triangles?
    A. The measures of their corresponding sides are proportional.
    B. The measures of their corresponding sides are equal.
    C. Each triangle has angles whose sum is 180°.
    D. The measures of their corresponding angles are equal.
    Hint



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