1. The floor of a square hall is tiled completely with forty nine square shaped tiles. If the side of each tile measures 2 m, what was the perimeter of the hall ? (in m)
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- By: anil on 05 May 2019 01.20 amArea of square shaped tile = $$2 imes 2 = 4 m^2$$ No. of tiles used = 49 => Area of floor = $$49 imes 4 = 196 m^2$$ Let side of floor = $$x$$ m => $$x^2 = 196$$ => $$x = sqrt{196} = 14$$ m $$ herefore$$ Perimeter of hall = $$4 imes 14 = 56$$ m
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