3. [1pt] At what angle should the laser beam in the diagram be aimed at the mirrored ceiling in order to hit the midpoint of the far wall?

3. [1pt]At what angle ? should the laser beam in the diagram be aimed at the mirrored ceiling in order to hit the midpoint of the far wall? The length of the room is aÿ=ÿ4.9 m and its height is bÿ=ÿ3.0 m.Answer: