document.write( "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.\r
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document.write( "Suppose an uphill road sign indicates a road grade of 3%. What is the angle of elevation of the road? \n" );
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Algebra.Com's Answer #305010 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! = arctan(3/100) \n" ); document.write( "=~ 1.718 degs \n" ); document.write( " \n" ); document.write( " |