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Step-by-step explanation:
length = 6x
breadth = x
length = 120cm
breadth = 120/6
= 30cm
perimeter = 2(a+b)
= 2(150)
= 300cm
Answered by
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Answer:
length 120
length =6*breadth
according to question
6*breadth=120
breadth =120/6
b=20
perimeter =2(l+b)
2(120+20)
2*140
280 cm
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