The perimeter of a rectangle is equal to that of a square with sides 12 m .If the length of the rectangle is 10 cm .Find its breadth.
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2(l+b)=4s
2(10+b)=4.1200 (12m=1200cm)
20+2b=4800
2b=4780
b=4780/2=2390cm or 23.9 m
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