Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.
Question 1:
As you drive to St. Louis, you see in the distance the famous St. Louis Arch. Its peak is about 2 degrees above the horizon.
The Arch has a height of 192 meters.
How far are you from the base of the arch?
Answer: If you draw a picture of the situation, you will see
192 m
tan (2 degrees) = ------------------
distance from base
Solving for the distance from the base,
192 m
distance = -----------
0.0349
= 5500 m
Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.