document.write( "Question 547625: A 4% highway gradient means that the road rises 4m for each 100m of horizontal distance. Determine the angle of inclination of the road with the horizontal. \n" ); document.write( "
Algebra.Com's Answer #356453 by Alan3354(69443)\"\" \"About 
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angle = arctan(0.04) =~ 2.29 degs
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