If the perimeter of a rectangle is 45 cm and it's breadth is 8 cm 7 mm,then what is its length?
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P= 2(l+b)
45=2(l+8.7)
45-17.4= 2l
2l=27.6
l=13.8
Therefore, length is 13cm and 8mm
45=2(l+8.7)
45-17.4= 2l
2l=27.6
l=13.8
Therefore, length is 13cm and 8mm
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