SOLUTION: Hilly areas often have road signs giving the percentage grade for the road. A 5% grade, for example, means that the altitude changes by 5 feet for each 100 feet of horizontal dista

Algebra ->  Trigonometry-basics -> SOLUTION: Hilly areas often have road signs giving the percentage grade for the road. A 5% grade, for example, means that the altitude changes by 5 feet for each 100 feet of horizontal dista      Log On


   

Question 442097: Hilly areas often have road signs giving the percentage grade for the road. A 5% grade, for example, means that the altitude changes by 5 feet for each 100 feet of horizontal distance.
Suppose an uphill road sign indicates a road grade of 3%. What is the angle of elevation of the road?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
= arctan(3/100)
=~ 1.718 degs