Question 7A circle is inscribed in a square, then a square is inscribed in this circle, and finally, a circle is inscribed in this square. What is the ratio of the area of the smaller circle to the area of the larger square?$\dfrac{\pi}{16}$$\dfrac{\pi}{8}$$\dfrac{3\pi}{16}$$\dfrac{\pi}{4}$$\dfrac{\pi}{2}$