reflec about line

主題：反射

Drag segment to see the circles' reflect about line. The distance of each circle to line is equal to distance of its reflect to line. .Direction of the movement of reflect is changed

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Web Plot
Nine-point circle
SSS Triangle
Centroid
classifying angles

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多項式函數
球形
一般四邊形
錐體
指數函數

reflec about line

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