Mind-Bending Math & GamesGeometry
Pythagoras Without Algebra
Slide four triangles and the theorem proves itself
One of the most famous rules in math can prove itself in ten seconds, with four paper triangles and no algebra. How?
You'll find out
- What the rule really says
- Why sliding shapes can be a proof
- How a rope makes a right angle
Why it matters
Screens, maps, buildings and games all measure distance with this one rule.
Play this lesson
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