+0  
 
0
143
1
avatar

a hill has a grade of 8%. what is the angle that the hill makes with a horizontal line?

Guest Apr 10, 2017
Sort: 

1+0 Answers

 #1
avatar+79819 
+2

 

An 8% grade means that  for every 100 horizontal feet of "run", the "rise" is 8 feet

 

So........using the tangent inverse, we have

 

tan-1 (8 /100)  ≈ 4.57°

 

 

 

cool cool cool

CPhill  Apr 10, 2017

11 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details