Grade (slope) | 100 gradient
AngletothehorizontalplaneThisarticleisaboutthegradeofatopographicfeatureorconstructedelement.Forotheruses,seeSlope(disambiguation).d=runΔh=risel=slopelengthα=angleofinclinationThegrade(alsocalledslope,incline,gradient,mainfall,pitchorrise)ofaphysicalfeature,landformorconstructedlinereferstothetangentoftheangleofthatsurfacetothehorizontal.Itisaspecialcaseoftheslope,wherezeroindicateshorizontality.Alargernumberindicateshigherorsteeperdegreeof"tilt".Oftenslopeiscalculatedasaratioof"rise"to"run"...
Angle to the horizontal plane
This article is about the grade of a topographic feature or constructed element. For other uses, see Slope (disambiguation). d = run Δh = rise l = slope length α = angle of inclinationThe grade (also called slope, incline, gradient, mainfall, pitch or rise) of a physical feature, landform or constructed line refers to the tangent of the angle of that surface to the horizontal. It is a special case of the slope, where zero indicates horizontality. A larger number indicates higher or steeper degree of "tilt". Often slope is calculated as a ratio of "rise" to "run", or as a fraction ("rise over run") in which run is the horizontal distance (not the distance along the slope) and rise is the vertical distance.
Slopes of existing physical features such as canyons and hillsides, stream and river banks and beds are often described as grades, but typically grades are used for human-made surfaces such as roads, landscape grading, roof pitches, r...
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Which idiot came up with percentage
And what's a 100% slope? ... I was once told that the gradient on a road sign is not arctan but rather arcsin - i.e. 10% is 1m up for 10m on the ...