Answer:
The angle that the ramp makes with the ground extending from the ramp to the truck is approximately 17.5 degrees.
Step-by-step explanation:
We can start by drawing a right triangle where the hypotenuse is the ramp, the height is 4 feet, and the base is the distance from the truck to the bottom of the ramp (the horizontal distance).
Since we know the length of the hypotenuse and the height of the triangle, we can use the sine function to find the measure of the angle:
sin(θ) = opposite/hypotenuse
sin(θ) = 4/13
Now, we can solve for θ by taking the inverse sine (sin^-1) of both sides:
θ = sin^-1(4/13)
Using a calculator, we get:
θ ≈ 17.5 degrees