find the breadth of a rectangular whose length is 12cm and perimeter is 40 cm
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Answer:
perimeter of rectangle=2(l+b)=40cm
2(12+l)=40
24+2l=40
l=40-24/2
lenghth=16/2
length=8cm. ans
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40-12-12= 26
26/2 = 13
breadth is 13
perimeter = 13+13 = 26 + 12+12 = 40
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