The square ABCD has a side length of 1, and AEF is an equilateral triangle. What is the area of AEF?
In the following figure, everything is square other then large rectangle. If the green square has side length 1 and the brown square has side length 2 then what is the area of the rectangle?
In the diagram below, 8 identical regular octagons, with side length x, enclose a shape. What is the area of the enclosed shape? Write your answer in the form p(2 + √2)x2 where p is an integer.
