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ISEE Middle Level
Quantitative Reasoning

Comparison of Areas: Circle vs Square

Very Hard Quantitative Comparisons Geometry Comparisons

Consider a circle with radius $r$ and a square with an inscribed circle (incircle) of the same radius $r$.

The area of the circle is given by the formula:

$$A_{circle} =\frac{22}{7}r^2$$

and the area of the square can be expressed as:

$$A_{square} = ext{side}^2 = (2r)^2 = 4r^2$$

Compare the two areas to determine the relationship.

Hint

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