Yes. The square root of a positive integer can ONLY be either:* An integer (in this case, it isn't), OR
* An irrational number.
The proof is basically the same as the proof used in high school algebra, to prove that the square root of 2 is irrational.
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143
It is: (173/12) times (143/12) = 172 square feet rounded to the nearest whole number
It is: 330 times 143 = 47,190 square feet
13ft * 11ft = 143 Sq feet.143 square foot = 13.28513472 square meter
143