Question 1062810
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<pre>
(W+6)*(W+8) - W^2 = 188,

W^2 + 6W + 8W + 48 - W^2 = 188,

14W = 188-48,

14W = 140,

W = 10.
</pre>

<U>Answer</U>. The side of the square is of 10 units long.