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45. A person 1.6m tall is standing at the centre between two walls three metre high. What is the minimum size of the plane mirror fixed on the wall in front of him if he is to see the full size of the wall behind him? |
| Answer» 45. A person 1.6m tall is standing at the centre between two walls three metre high. What is the minimum size of the plane mirror fixed on the wall in front of him if he is to see the full size of the wall behind him? | |