SOLUTION: A roof rises 2.8 feet vertically and 9.8 feet horizontally, What is the grade of the rise?

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Question 462423: A roof rises 2.8 feet vertically and 9.8 feet horizontally, What is the grade of the rise?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
The grade is just the ratio of the rise to the run (slope), expressed as a percent. Here, 2.8/9.8 is approximately a 28.6% grade.