6 feet
12 feet
4 feet
3 feet
The required length of the mirror must be half of the image of the tall man’s height.
- In this case, since the lady is 6 feet tall, the minimum length of the mirror required would be: 6 feet / 2 = 3 feet.
- Therefore, the minimum length of the mirror required for the lady to see her full image is 3 feet.
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