I, The rectangle shown in the figure has an area of 5 • 13 = 65 square units. The lour-pie...

I, The rectangle shown in the figure has an area of 5 • 13 = 65 square units. The lour-piece dissection of the rectangle indicated can apparently be reassembled to ) form a perfect square having an area of 8 • 8 = 64 square units. Where did the missing square go? Explain the fallacy in this well-known puzzle.