If the length is twice the width, then each half of the rectangle is a square with area = width

The width is 9 yd, the length is 18 yd.

^{2}. That area is (162 yd^{2})/2 = 81 yd^{2}= (9 yd)^{2}.The width is 9 yd, the length is 18 yd.