Math, asked by loved7695, 5 months ago

please answer me step by step explanation ​

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Answered by Mradanshi
1

Step-by-step explanation:

let \: breadth \: be \: x \: \\ then \: length \: is \: 3x. \\ perimeter \: of \: a \: rectange \: = \: 2(l + b) \\ 200 = 2(3x + x) \\ 100 = 3x + x \\ 100 = 4x \\ x = 25

so \: breadth = 25cm \\ and \: length = 3x = 3 \times 25 \\ = 75cm

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