Question

length of a rectang exceed،s it،w breadth by 4m. If the perimeter of the rectangle 84m، find it،s length and breadth
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Answer 1

Answer:

let length be 4+b and breadth be b

perimeter=84

perimeter=2(l+b)

84=2(4+b+b)

42=4+2b

38=2b

19 m=breadth

length=23m