Step-by-step explanation: If the the square and circle have the same area of 12.4, you would need to divide 12.4 by pie or 3.14 to get the diameter. The radius is half the diameter, so you divide the diameter by 2. In this case, 12.4/3.14=3.94. 3.94/2=1.97. You round that up and you get 2