A room is 6 m long and 5 m wide . How many carpets 1.5 m by 1 m will be required to cover it's floor and what will be the cost of the carpets at Rs 80.25 a piece ?
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Answer:
176m
Step-by-step explanation:
R.E.F image
Area of cuboid (room) =2bh+2hl
=(2×20)+(2×24)
=88m
2
Area of paper =lb
=l×0.5m
=0.5lm
2
Area of cuboid = Area of paper
88=0.5l⇒
l=176m
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