The walls and ceiling and say ceiling of a hall 32 a long 22 metre wide and 12 metre Hai are to be covered with a wall paper find the length of paper sword in the paper is 2 metre wide
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volume of hall=l*b*h= 32*22*12=8448m Now Wall paper take length=x. paper 2m wide. Area of wall paper sword l*b=8448. l=x*b=2=8448. l=8448/2= 4224m
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