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Regular Pentagon Wonder: GoGeometry Action 192!
Author:
Tim Brzezinski
Topic:
Geometry
,
Polygons
Creation of this resource was inspired by
this problem
from Antonio Gutierrez.
How can we formally prove what is dynamically illustrated here?
The pentagon shown below is regular. The LARGE POINTS are MOVEABLE. Be sure to slide the slider SLOWLY!
GeoGebra
Quick (silent) demo
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