5*sin(30) = 2.5 metres.
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The rise is calculated as the horizontal run distance times the tangent of the angle (tan angle = rise/run). Since tan 1 degree is 0.0175 the rise is 100 x .0175 = 1.75 feet
Determine which line is steeper by finding out which has a greater rise over run. I trust you know what rise over run is. You can determine which has a greater rise over run by dividing the rise by the run, and then whichever line has the largest decimal is the steepest.
If you're talking about slope, it is rise over run. But why is it not the other way run over rise?
The slope can be remembered as "rise over run". When the slope is an integer, it means that the rise over run is positive.
A 45 degree offset has a travel of 200mm. calculate the rise of the offset.