How steep is a 20% grade?
How steep is a 20% grade? In surveying 20% is interpreted as 20% of a right angle (i.e. a brick wall) and so would be 18 degrees.
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How steep is a 20% grade? In surveying 20% is interpreted as 20% of a right angle (i.e. a brick wall) and so would be 18 degrees.
No records found.