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三角形の内心と内接円
Author:
Hideaki Hosaka
三角形の内心と内接円の作図です。
GeoGebra
New Resources
standingwave
standingwave-reflection
二次曲線と離心率
フーリエ級数展開
直線の軌跡
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円周角の定理の逆
tanの加法定理その２
sin ok
回転体
極線でパスカル線を作図
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Ratios
Geometric Transformations
Boxplot
Binomial Distribution
Similarity Transformation or Similarity