Crayon-shaded squares prove the Pythagorean theorem
35.9K views·38 likes·12 saves·7 reposts·Posted 24 Sept 2026 · 0:39 · Explainers
Our note
A picture-book crayon explainer of the Pythagorean theorem, rearranging four triangles around a² and b²; Opus 5.5 made it in JavaScript from a one-line request for a 30-second video.
The creator’s post
Claude Opus 5.5に「30秒くらいのピタゴラスの定理の解説動画をJavaScriptで作って（絵本風、クレヨン手書き風）」と指示してできたもの
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