Cracking The SAT Premium

If  rectangle   ABCD    has an  area    of  48  and the tangent of   BCA    (not    shown)  is   ,  then    which

of  the following   is  the length  of  BD  (not    shown)?

A) 5

B) 10

C) 13

D) It   cannot  be  determined  from    the given   information.

15 .Which of the following is equivalent to ?

A)

B)

C)

D) m    –   6