Final answer:
To find the area of a circle, the radius is required to use the formula A = πr². Without the radius provided in the question, we cannot accurately calculate the circle's area or choose the correct multiple-choice answer.
Step-by-step explanation:
To calculate the area of a circle, we use the formula A = πr², where π (pi) is approximately 3.14 and 'r' is the radius of the circle. However, the question did not provide the radius of the circle, which is necessary to calculate its area. If we presume that 'r' is the side of a square that would fit this circle (implied from the information given, although not directly), then each side of the square would be twice the radius of the circle, so 'a = 2r'. Following this, the area of the circle would be less than the area of the square. To get an approximate answer, we would need to use the known value of pi (3.14) and the radius if it were given or could be inferred from the question details.
Without the radius, unless it's defined in the multiple-choice answers, we cannot definitively choose the correct option without further information. For now, we can educate on the concept, noting that a circle's area is always less than the square's area but more than half of it.