1.   Determine whether the triangles are similar. Explain why or why not.
   
    A. no; x = 85 B. no; y = 65
    C. yes; x = 85 D. yes; y = 55
    Hint

  2.   If , what is length of ?
   
    A. 5.6 m B. 4.5 m
    C. 1.8 m D. 1.6 m
    Hint

  3.   If the triangles are similar, what is the value of a?
   
    A. 11.2 B. 8.4
    C. 7 D. 4.48
    Hint

  4.   A 6-foot tall person casts a 2.5-foot long shadow at the same time that a building casts a 40-foot long shadow. How tall is the building?
    A. 104 feet B. 16 feet
    C. 96 feet D. 600 feet
    Hint

  5.   A tree casts a 20-foot long shadow at the same time that a 3-foot tall mailbox post casts a 1.2-foot long shadow. How tall is the tree?
    A. 18 feet B. 72 feet
    C. 8 feet D. 50 feet
    Hint



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