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A-6. A child is standing in front of a straiaht plane miror. His father is standingbehind him, as shown in the figure. The height of the father isheight of the child. What is the minimum length of the mirror requirthe child cancompletely see his own image and his father's image in the mirror?ed so that(Height of child is H)5H6B)2зн2(D) |
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