the widthof a rectangle is two third of its length if the perimeter is 180 M find the dimension of the rectangle
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Let the length be a
Width = 2a/3
Perimeter = 2 ( a + 2a/3)
=> 180 = 2 (5a)/3
=> 90 = 5a/3
=> 5a = 270
=> a = 54
Length = 54 cm
Width = 2× 54 / 3 = 2 × 18 = 36 cm
Width = 2a/3
Perimeter = 2 ( a + 2a/3)
=> 180 = 2 (5a)/3
=> 90 = 5a/3
=> 5a = 270
=> a = 54
Length = 54 cm
Width = 2× 54 / 3 = 2 × 18 = 36 cm
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