The perimeter of a rectangle is 13cm and width is 2 1/4cm find its length
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Answer:4 1/2 cm
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perimeter of rectangle =2(l+b)
let l = x
so, 13 = 2(x+2.25) (because 2 1/4=2.25)
=13=2x + 4.5
=13 - 4.5= 2x
=8.5/2 = x
=4.25 = x
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