How many images of himself can a person see in a room whose ceiling and two adjacent walls are mirrors ?

Explanation

To solve the problem of how many images a person can see in a room with mirrors on the ceiling and two adjacent walls, we can follow these steps:

### Step 1: Understand the Setup
We have two adjacent walls that are mirrors, and they form a right angle (90 degrees) with each other. The ceiling is also a mirror.

### Step 2: Apply the Formula for Number of Images
The formula to find the number of images formed by two mirrors at an angle θ is given by:

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