Posted by Lois on Monday, September 19, 2011 at 11:03pm.
L = Length
W = With
A = Area
L = 2 W
A = L * W
A = 2 W * W
A = 2 W ^ 2
128 = 2 W ^ 2 Divide both sides with 2
64 = W ^ 2
W = sqrt ( 64 )
W = 8 yd
L = 2 W = 2 * 8 = 16 yd
A = L * W = 8 * 16 = 128 yd ^ 2
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