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what is the formula for the slope of stairs. This is the currently selected item. Since the slope-intercept form is y mx b and m slope it would simply be the coefficient of x.
Divide the riser height by the tread width then calculate the inverse tangent or the arctangent of the result. The slope of that step will be 7 of rise over 11 of horizontal travel or a slope of 711. 8 4 8 4.
Y 6 5x 46 5 y - 6 5 x - 46 5.
The result was a disastrously uncomfortable stair with treads too short for adult feet. This is the currently selected item. The slope of that step will be 7 of rise over 11 of horizontal travel or a slope of 711. Slope m yB yA xB xA Slope m y B - y A x B - x A.