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2.2 作等边三角形
Author:
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?
GeoGebra
New Resources
alg2_05_05_01_applet_exp_2_flvs
Shadow of a Cube (v2)
Icosahedron1
Tutorial: Create lists of numbers and objects
alg2_05_05_04_applet_exp_fxn_flvs
Discover Resources
Roots of cubics 517
Yellow vs. White Exams
Charlotte Slavin O1 QTR1Project
Presentation Constructions
Histogram: Equal Widths
Discover Topics
Frequency Distribution
Square
Standard Deviation
Tangent Line or Tangent
Arithmetic Operations