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?

Nuevos recursos

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Slope and Road Signs
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Viviani's Curve

Descubrir recursos

polynomial coeff and effect on graph
Balancing Equations
Geometry Construction Assessments
Tennis Balls to Cans
Opposite Angles of a Parallelogram are Equal

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Probabilidad Condicional
Homotecia
Exponente
Recta Tangente o Tangente
Fractales