give answer of 4th person KABIR
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Step-by-step explanation:
Both length and width be the same that is 10 cm each...so the perimeter is 40cm and area be the 100 sq.cm.
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l=10 and b=10
Step-by-step explanation:
2(l+b) = 40
l*b=100
l=100/b
100/b +b= 20
l= 10 b=10
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