放物線の外接三角形の外接円は焦点を通る
「放物線に外接する三角形△ABCの外接円は焦点を通る。」証明は、作図ナビゲーションで最初からたどると見えてきます。
- Target Group (Age)
- 3 – 19+
- Language
- Japanese / 日本語
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