1.   Determine whether the triangles are similar. If not, explain why not.
   
    A. yes B. no, b = 110
    C. no, b = 40 D. no, a = 30
    Hint

  2.   Similar triangles must have the same ______.
    A. shape B. size
    C. right angles D. size and shape
    Hint

  3.   A model plane has a scale of 1:75. If the length of the model is 7 inches, how long is the real plane?
    A. 525 inches B. 5.25 inches
    C. 5,250 inches D. 52.5 inches
    Hint

  4.   LMN and PQR are similar. Find the value of x.
   
    A. x = 12 B. x = 9
    C. x = 10 D. x = 11
    Hint

  5.   Triangle ABC is similar to triangle DEF. Find the length of .
   
    A. 15 feet B. 16 feet
    C. 6 feet D. 37 feet
    Hint



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