Quandaries
and Queries 

incline % grade as to degree. ie 6% hwy grade= what degree of incline? 

Hi, A 6% grade means that in a straight section of the road the rise is 6% of the run. Thus in the diagram below the ratio of the rise to the run is 0.06. Thus the tangent of the angle t is 0.06 and
Penny 

