Test: ACT Math

1.

A circle with diameter of length \dpi{100} d is inscribed in a square. Which of the following is equivalent to the area inside of the square, but outside of the circle?

\frac{(\pi - 1)d^2}{4}

\pi d^{2}+2

\frac{(4-\pi)d^2}{4}

(\pi - 1)d^2

d^{2}-4

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