Question

Please let me know the explanation of the the answer u will tell for this Question..

Answer 1

$\huge \purple{\tt{Answer:}}$

Area of square = (length)²

$= \sf {(3{\dfrac{1}{2}})^2} \\\\\ = \sf {12.25~cm^2}$

OR

$\sf{12{\dfrac{1}{4}}}$