julianashyti julianashyti

23-05-2019
Mathematics

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The length of a rectangle is 6m more then the width. The area is 40m^2 . What is the length and the width?

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sensationalsarath sensationalsarath

23-05-2019

let the width of the rectangle be x

area of rectangle is l*b

x * (x + 6) = 40^2

x^2 + 6x = 40^2

x^2 + 6x = 1600

x + 6x =√1600

x + 6x = 40

7x = 40

x = 5.7

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