1.   Triangle RST is isosceles with as the vertex angle. If ST = 3x - 11, SR = x + 3, and RT = x - 2, find RT.
   
    A. 7 B. 14
    C. 9 D. 5
    Hint

  2.   Find the value of x.
   
    A. 125 B. 145
    C. 45 D. 135
    Hint

  3.   What is the value of n?
   
    A. 9 B. 14
    C. 24 D. 26
    Hint

  4.   What is the measure of
   
    A. 31 B. 62
    C. 32 D. 120
    Hint

  5.   Which figure is an obtuse triangle?
    A. B.
    C. D.
    Hint