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Pentagon
作者：
Jim Moser
Move around the points and note the sum of the interior angles.
GeoGebra
最新資源
Other Variations of Cosine
Limaçons
רישום חופשי
The Geometry of the Coefficients of a Quadratic Function
Regular Star Polygons
探索資源
DouglasRachford_Kugel_Ebene
Kolo sreće
sin(h)/h illustration
Reflect 2b
Orthocentre
animation Kuba (POL)
探索主題
分段函數
Linear Equations
幾何變換
最小公倍數與最大公因數
長方體