The length of rectangular plot is thrice its breadth. If the area of the rectangular plot is 6075 sq. metres, what is its length ?
1). 145 metres
2). 130 metres
3). 75 metres
4). 45 metres
Let Breadth = $x$ m
=> Length of rectangle = $3x$ m
=> Area of rectangle
=> $x \times 3x = 6075$
=> $x^2 = \frac{6075}{3} = 2025$
=> $x = \sqrt{2025} = 45$
$\therefore$ Length of rectangle = $3 \times 45 = 135$ m
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