If a person wanted to see around a corner using two plane mirrors, how should the mirrors be positioned relative to each other?
1 )
Parallel to each other, facing inward
2 )
At right angles to each other, with their reflective surfaces facing the corner
3 )
At 45° angles to each other, with their reflective surfaces facing outward
At 45° angles to the walls, with their reflective surfaces facing the corner
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