1.   Which set of figures must be congruent?
    A. all answers are correct
    B. two quadrilaterals with all sides 2 in. long
    C. two pentagons with all sides 2 in. long
    D. two triangles with all sides 2 in. long
    Hint

  2.   The triangles below are congruent. Find b.
   
    A. b = 8 B. b = 7
    C. b = 5 D. b = 6
    Hint

  3.   A triangle has sides of 2 cm, 3 cm, and 4 cm. It is scaled to make a new triangle with one side that is 10 cm. What might the scale factor be?
    A. 10 B. 3
    C. 5 D. all answers are correct
    Hint

  4.   The triangles below are similar. Find x.
   
    A. 1 B. 2
    C. 10 D. 5
    Hint

  5.   The triangles below are similar. Find y.
   
    A. 90° B. 35°
    C. 55° D. 110°
    Hint



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