the height of a person is 180 cm. how long will the plane mirror is required for him to see his full image
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Answer:
90
Explanation:
At least half as tall as the person standing in front of him must be the mirror. As the individual is 180 cm long, at least 90 cm must be the vertical dimension of the mirror. The lower edge of the mirror must be half the gap between his feet and his eyes in height.
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