15 In AABC shown below, LACB is a right angle, E is a point on
AC, and ED is drawn perpendicular to hypotenuse AB.
14.
A
E
C
6=
36=81
-36
If AB = 9, BC = 6, and DE = 4, what is the length of AE?
(1) 5
(2) 6
26
(3) 7
(4) 8