O=外心 Q=重心 Q1=ナーゲル点 D=内心 N=垂心 N1=ジェルゴンヌ点 P=九点円の中心 P1=九点円と傍心点の接点の交点
赤線=オイラー線 青線=Q1とQとD 緑線=PとP1とDとG1(九点円と内接円の接点)
内心にも仲間がいる!
- Resource Type
-
Activity
- Tags
-
- Target Group (Age)
- 3 – 19+
- Language
- Japanese / 日本語
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