SAT Subject Test Mathematics Level 1

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?