Perimeter of rectangle is 200 meter. Its width is 3/7 of its length . What is the length in meter ?

Perimeter of rectangle is 200 meter. Its width is 3/7 of its length . What is the length in meter ? Correct Answer 70

In case of a rectangle, 2(Length + Width) = perimeter or, 2(Length + 3/7 of Length) = 200 or, 10/7 of Length = 200/2 So, Length = 200/2 x 7/10 = 70 meter
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