Question

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Answer 1

Step-by-step explanation:

perimeter of rectangle = 2 (l + b)

so half of it will be (l + b) which is equal to m

ie m = (l + b)

m = (4b + b) as length is 4 more than its breadth.

m = 5b so b = m/5 and length = m + 20 / 5