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1. The length and breadth of a rectangle is 80 m and 40
m respectively. If the length increase by 5% and the
breadth decreases by 5%. What will be the differ-
ence in perimeter ?
Answers
Answered by
1
Step-by-step explanation:
L1=80cm
B1=40cm
perimeter=2(l+b)=2(80+40)
=240
L2=^ 5%
so, 5% of 40=5×40/100=2
answer=60:61
perimeter2=2(l+b)=2(84+38)
=224
ratio=240/244
ans =60:61
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