1.   What is the measure of , if BC = 18 and is a median of trapezoid ABCD?
   
    A. 18 B. 3
    C. 9 D. 6
    Hint

  2.   is a median of trapezoid WXYZ. Find YZ if AB = 10 and WX = 7.
    A. 3.5 B. 5
    C. 8.5 D. 13
    Hint

  3.   Two congruent base angles of an isosceles trapezoid have measures of 5x - 17 and 2x + 13. What is the measure of each angle of the trapezoid?
    A. none of these
    B. 33, 33, 147, 147
    C. 10, 10, 33, 33
    D. 10, 10, 147, 147
    Hint

  4.   Trapezoid ABCD has median . Find LJ.
   
    A. 5 B. 3
    C. 61 D. 32
    Hint

  5.   Find the mW in isosceles trapezoid WXYZ.
   
    A. 36 B. 18
    C. 144 D. 54
    Hint