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多角形の線分の交点と共線

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多角形の線分の交点と共線にはいろんな有名な定理がありますね。それをゲームのようにアプローチを楽しもう。

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Zen Suzuki — August 21, 2026 - 5:04 AM

Resource Type: Activity
Tags: angle circle circumcircle collection incircle lines ratios similar-triangle triangles tutorial vectors Show More…
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Target Group (Age): 3 – 19+
Language: Japanese / 日本語‎

Views: 5

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License: CC-BY-SA, GeoGebra Terms of Use

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