Practice set $3$: Right triangle word problems

PROEITM $32$

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.