Key Chain, Pythagoras, Pythagorean Theorem, 勾股定理, ピタゴラス定理

Key Chain, Pythagoras, Pythagorean Theorem, 勾股定理, ピタゴラス定理

thingiverse

Kids adore keychains, so why not create one based on the Pythagorean Theorem? This square piece measures approximately 45mm x 45mm x 5mm. The two patterns are often used in visual mathematics (proof without words). Some sources suggest a Chinese origin. By subtracting the four right triangles from the large square, you get c^2 on one side and a^2+b^2 on the other, visually proving the Pythagorean Theorem. It's simple to print. Try boosting the resolution for a smoother appearance. Have fun!

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