The biggest it can be is 110 by 110, and the area would be 2,100 ft.
Hope this helps!
<u>Solution</u><u>:</u>
The rationalisation factor for
is 
So, let us apply it here.

The rationalising factor for 5 - √2 is 5 + √2.
Therefore, multiplying and dividing by 5 + √2, we have

<u>Answer:</u>
<u>
</u>
Hope you could understand.
If you have any query, feel free to ask.
Then that would be 3 and 9.
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