A room is 5.5 m long, 4 m wide and 3.5 m high. Find the cost of papering its walls with paper 90cm wide at Rs. 1.20 per metre.
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90 made is the answer for this help you
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1
Answer:
first you calculate the volume of both
voume of cuboid =l x b x h{you calvulate}
than latentent sourface of cube =4a [beacuse we have to cover walls only nieterthe upper area nor the lower area}
4a=4*90
then you divide the the volume of cube by volume of cuboid
which nswer you got than you multiply the answer with 1.20 the answer you got is you r correct answer
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