40 .
Figure 5
Note: Figure not drawn to scale.
In Figure 5, ABCD is a trapezoid in which is parallel to
,
is perpendicular to
, and
is perpendicular to
. What is the length of ?
(A) 3
(B) 4
(C) 5
(D) 6
(E) 7
41 . If the square root of the cube root of x is 3, what is the value of x?