A person is standing 40ft from a flagpole and can see the top of the pole at a 35° angle of elevation. The persons eye level is 4ft from the ground. What is the height of the flagpole to the nearest foot?
We have
tan 35 = (h - 4) /40 rearrange
40 tan 35 = h - 4
40 tan 35 + 4 = h = about 32 feet
