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

  2.   What needs to be true to determine whether two triangles are similar?
    A. only one set of angles must be congruent
    B. only one set of sides must be similar
    C. at least two sets of angles must be congruent
    D. only one set of sides must be congruent
    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. 3 B. all answers are correct
    C. 10 D. 5
    Hint

  4.   Which set of ratios is equivalent?
    A. and B. and 3:2
    C. 2:7 and 8:14 D. 4:3 and
    Hint

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



Glencoe
The McGraw-Hill Companies