the perimeter of a parallelogram is 140cm. If one of its side is longer than the other by 10cm. find the length of each of its sides ?
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2(l+b)=140
l+b=70
l=b+10
b+10+b=70
2b= 60
b=30
l=40
l+b=70
l=b+10
b+10+b=70
2b= 60
b=30
l=40
85shreya:
how this second b came in b+10+b
tell me fast
most welcome dear
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