Barbara is building a wooden cabin. The cabin is $42$ meters wide. She obtained a bunch of $27$ meters long wooden beams for the roof of the cabin. Naturally, she wants to place the roof beams in such an angle that each pair of opposite beams would meet exactly in the middle. **What is the angle of elevation, *in degrees*, of the roof beams?** *Round your final answer to the nearest tenth.* [[☃ math-keypad 1]]$^\circ$ [[☃ image 1]]