By drawing the situation, we end up with the triangle below.We see that we need to use the trigonometric ratio tan. We can set up the following:
tanΘ=[tex] \frac{115}{85} [/tex]
tanΘ=1.3529 (it's always best to round to 4 digits for accuracy)
To find the angle, we need to find the inverse of the function, which is tan^-1
[tex]tan^{-1} 1.3529[/tex]
=53.52 or in your case (rounded) 53.5
:)
