A tiny but horrible alien is standing at the top of the Eiffel Tower (which is $324$ meters tall) and threatening to destroy the city of Paris! A Men In Black agent is standing at ground level, $54$ meters across the Eiffel square, aiming his laser gun at the alien. **At what angle, *in degrees*, should the agent shoot his laser gun?** *Round your final answer to the nearest tenth.* [[☃ math-keypad 1]]$^\circ$ [[☃ image 1]]