Find the length of 10m wide room whose perimeter is 44 m
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it's answer must be 34cm
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perimeter of room = 2( l+ b)
44 = 2 ( l+ 10)
44/2= l+10
22= l+10
22-10=l
12=l
44 = 2 ( l+ 10)
44/2= l+10
22= l+10
22-10=l
12=l
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