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Illusion straight line check のコピー
Author:
yuki
,
Ben Sparks
Clever optical illusion with some straight lines to check reality
GeoGebra
Slide the opacity slider.
New Resources
Slope Field (1)
cylinder net slider
Isosceles Triangle: Quick Construction
Angles and Intersecting Lines: Quick Investigation
Limaçon / Cardioid as a Locus - A Classical Construction
Discover Resources
Cyclic Quadrilaterals (IAT: Corollary 3)
Equation of a Circle
Angle Bisector
Radical Number Construction
inscribed triangle proof
Discover Topics
Congruence
Diagrams
Dilation
Integral Calculus
Distributions