Question

What is the angle θ of the ramp if monster truck drives off a ramp in order to jump on to a row of cars where the ramp's height is 8 feet and horizontal length of 28 feet?

Answer 1

You use `arctanx` of the angle to find the angle

Because of the picture I will use `angleA` in stead of `theta`

The vertical will be `a` in the picture and the horizontal length will be `b`
Now the tangent of `angleA` will be `tanA=a/b=8/28~~0.286`

Now use the inverse function on your calculator (activated by 2nd or Shift -- usually it says `tan^-1` or `arctan`)

`arctan (8/28)~~15.95^0` and that's your answer.