Question

Q7. The perimeter of a rectangle field is 480 m. If its length 160 m the ratio of its
breadth to its length is​

Answer 1

Answer:

$perimeter \: of \: a \: rectangle \: = \: 480m \\ \\ length \: = 160m \\ \\ breadth = 2 \times (l + b) = 480 \\ \\ = 2 \times (160 + b) = 480 \\ \\ = 320+2b = 480 \\ \\ 2b = 480 - 320 \\ \\ b= 160 \div 2 \\ \\ b = 80m \\ \\ ratio \: of \: length \: and \: breadth \frac{160}{80} \\ \\ = \frac{2}{1}$

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