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9点円と傍接円
Author:
Bunryu Kamimura
Topic:
Circle
,
Triangles
九点円は傍接円と内接円の両方に接しています。
GeoGebra
New Resources
直線の軌跡
円の伸開線
sine-wave
等積変形2
正17角形 作図 regular 17-gon 2
Discover Resources
figure_HS_222
正多面体
Trochoid
位相差
数学I 2次関数の符号(1)
Discover Topics
Surface
Parallelogram
Ratios
Isosceles Triangles
Histogram