how many times of 15 cm square will be needed to cover a floor by 6.90 m
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Step-by-step explanation:
area of floor = 5.85 ×6.90m2 =585×690 cm2
if sides of square is 15 then the area of square tile
=15×15
no.of tiles=585×690/15×15=1794
OR if area of square is 15 then
585×690/15=26910
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