Question 16A dart board is a regular octagon divided into regions as shown. Suppose that a dart thrown at the board is equally likely to land anywhere on the board. What is the probability that the dart lands within the center square? $\dfrac{\sqrt{2} - 1}{2} $$\dfrac{1}{4} $$\dfrac{2 - \sqrt{2}}{2} $$\dfrac{\sqrt{2}}{4} $$2 - \sqrt{2}$
