A ladder 5cm long long rest against a wall such that its foot makes an angle 30o with the horizontal. How far is the foot of the ladder from the wall?
-
A.
(frac{5sqrt{2}}{3}m) -
B.
(2frac{1}{2}m) -
C.
(frac{5sqrt{3}}{2}m) -
D.
(frac{10sqrt{3}}{3}m) -
E.
(10sqrt{3}m)