2.2 作等边三角形

Autor:郑凯耀, Tim Brzezinski

The applet below dynamically illustrates how an equilateral triangle can be constructed via compass and straightedge. Why is this method of construction valid?

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Math Art Construction
Average Distance
Graph of y = ax² + bx + c
Graphical solution of ax² + bx + c = k
Untitled

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Rotational Symmetry - Kite
Morley!
quadratic_dynamic_labels
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Statistische Kennzahlen
Gleichungen
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Normalverteilung