The required possible side length of the tablecloth is 11ft x 11ft.
<h3>What is the square?</h3>
A square is for sided regular polygon, where the length of all sides is identical and the angle between the adjacent side is 90°.
Given the following parameters
Area of fabric =121 ft² of fabric.
She wants to make a square tablecloth for her dining room table.\
Area of the square = a²
121 = a²
a = √121
a = 11 ft
Thus, the required possible side length of the tablecloth is 11ft x 11ft.
Learn more about square here: brainly.com/question/1658516
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