: Applet for demonstrating Steiner’s theorem for trapezoid

作成者:gilad

トピック:台形

In each trapezoid when connecting the point of intersection of the diagonals with the point of intersection of calves, the line that connect them, across the bases of the trapezoid.

新しい教材

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Untitled

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圖形B
Untitled

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立方体
比
相似三角形
対称性
算数