and so will form \(\left({\frac{{360}}{{90}} - 1} \right) = \)\(4 -1 \) \(i.e. 3\) images of the person.
Now these images with person will act as objects for the ceiling mirror and so ceiling mirror will form \(4\) images further.
Therefore total number of images formed \( = 3 + 3 + 1 = 7\)
Note : He can see. \(6\) images of himself.