1. Area of the floor of a cubical room is 48 sq.m. The length of the longest rod that can be kept in that room is






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  • By: anil on 05 May 2019 01.54 am
    as all the sides of cube are equal . and area of floor of a cube = $$(side)^2$$ so side of cube = $$sqrt(48)$$ = 4$$sqrt(3)$$ longest rod length possible is along diagonal of cube = $$sqrt(3)$$ x side = 12 m
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