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The article Classifying solids using angle deficiency introduces the platonic solids. One is a cube. These shapes have been important to scientists and builders throughout history. The Egyptians used what they knew of these five shapes to help them design and build the Pyramids. Pyramids have a square base and most of them have four triangular sides, each of which are the same shape and size (or congruent).
See if you can build a cube from three pyramids. These pyramids are not regular because every side is not the same. |
What you need:
What to do:
Your challenge:
Try to fit the three pyramids together to form a perfect cube. |
Sound easy? You might be surprised to find it's not as easy as it seems.