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Solution to: Appearing Area

Once again, consider the figures below. Now note that the red and blue triangles have a different slope! (Red triangle: 2/5 = 0.4, blue triangle 3/8 = 0.375) This means that the two figures are no real triangles...

Can this be true? YES it can!

Therefore, a little bit exaggerated in the figures below, the purple area is the appearing area in the figure...

The hole comes from the purple area!

This puzzle can be found on our website in two flavors. It is also presented under: Square and Rectangle.

Back to the puzzle
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