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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!

Quick (silent) demo

New Resources

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  • شبیه سازی حرکت انتقالی زمین و زحل
  • سری عددی مثبت
  • G_2.02 Proving lines parallel
  • Creating 3 Lines to Form a Right Triangle

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Discover Topics

  • Similar Triangles
  • Conditional Probability
  • Interest Calculation
  • Rectangle
  • Perimeter

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