Answer:
b=20cm
perimeter =40cm=2(l+b)
40=2(l+20)
40=2l+40
2l=40-40
l=0
length is 0
hope it will help you
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Answer:
b=20cm
perimeter =40cm=2(l+b)
40=2(l+20)
40=2l+40
2l=40-40
l=0
Answer:
length is 0
hope it will help you