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If the width of a rectangle is one fourth of the length. If the perimeter is 90 cm, the width is -
Let the width of the rectangle be x cm. Then, the length of the rectangle = 4x cm.
The perimeter of the rectangle = 2(length + width) = 2(4x + x) = 10x cm.
Given that the perimeter of the rectangle is 90 cm. Therefore, we have the following equation:
10x = 90
x = 90 / 10
x = 9
Therefore, the width of the rectangle is 9 cm.
So the answer is 9
