H hemza406 New member Sep 15, 2011 #1 A street in San Francisco has a 20% grade - that is it rises 20 feet for every 100 feet horizontally. Find the angle of elevation of the street. thank you!
A street in San Francisco has a 20% grade - that is it rises 20 feet for every 100 feet horizontally. Find the angle of elevation of the street. thank you!