A 5'6" person is standing near a light post that is 18' above the ground. How long is the man's shadow when he is 5' from the base of the light post?
Math - Steve, Tuesday, September 11, 2012 at 10:35pm
using similar triangles, if the length of the shadow is s,
5.5/18 = s/(5+s)
s = 2.2 ft