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4. Area of square= 25 *25=625cm^2
Area of rectangular lawn = 12*10=120m^2or 120*100*100= 1200000 cm.
no of tiles= area of rectangular lawn/area of tiles
=1200000/625=1920
therefore cost =1920*8=15360 rs
Area of rectangular lawn = 12*10=120m^2or 120*100*100= 1200000 cm.
no of tiles= area of rectangular lawn/area of tiles
=1200000/625=1920
therefore cost =1920*8=15360 rs
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