Question
A person is standing 90 feet away from the Space Needle. The person looks up at the Space Needle at an angle of elevation of 81 degrees. The distance from the floor to the person's eye level is 5 feet. What must be the height of the Space Needle?
Answers
Steve
draw a diagram
review your basic trig functions.
(h-5)/90 = tan 81°
review your basic trig functions.
(h-5)/90 = tan 81°