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Equilateral Triangles Inscribed in Circles
Author:
Anthony OR 柯志明
,
GeoGebra Institute of Hong Kong
拖拉以下兩幅圖形的點,看看動態效果有甚麼不同。 你能構作這兩幅圖嗎? Drag the points in the two figures below to see the effects. Can you construct these two figures?
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