The length of a rectangle is three times its breadth. If the perimeter of the rectangle is 40 cm , find the breadth of the rectangle.
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Perimeter of the rectangle is 40 cm. Find its length and width. Sol. Let width of rectangle (b) = x cm Then, length of rectangle (1) = 3x cm As we know, Perimeter of rectangle = 2(1 + b) 40 = 2 (3x + x) 8x = 40 40 - 5cm Hence, the length is 15 cm and the width is 5 cm ...
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