Bunuel wrote:
In the figure above, PQRS is a parallelogram, and P and Q are the midpoints of adjacent sides of the square as shown. If the area of the shaded region is 2, then the perimeter of PQRS is
(A) 4 + 4√2
(B) 2 + 4√2
(C) 4 + 2√2
(D) 4
(E) 16
[Reveal] Spoiler:
We see that the shaded region is an isosceles right triangle. Since the area of the shaded region is 2, and if we let s = a leg of the isosceles
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