document.write( "Question 462423: A roof rises 2.8 feet vertically and 9.8 feet horizontally, What is the grade of the rise? \n" ); document.write( "
Algebra.Com's Answer #317027 by richard1234(7193)![]() ![]() 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. \n" ); document.write( " |