I am putting on a roof to an addition to my house.
20feet by40feet by 20 feet, the beam is h=46feet heigh.
what is t he angle of elevation of the new beam? Whatisthe pitch of the roof.
the answer is 69 degrees,but how do I put this in a equation to solve.

Could you post the original question please? I don't quite understand what's going on on your problem :confused: