The measure of the angle the ramp forms with the ground is :
-Angle is 23.96 degrees.
"Measure of the angle"
Let the angle is = x
We know that tan(x) is the slope.
tan(x)=\frac{4}{9}
tanθ = 4/9θ
tanθ = arctan(4/9)
tanθ≈ 23.96°
Learn more about slope:
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