Google Classroom
Google Classroom
GeoGebra
GeoGebra Lesson
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Lesson
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
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
New Resources
Building Algebra Tile Models for Trinomials
Deciding How New Information Affects Probability
Modifiable Right Triangular Prism
Rotating Custom Polygons Around an Axis
Graphing Basic and Compound Inequalities
Discover Resources
two flying rainbow phoenixes
Rolling Disk Illusion
Center of arc- Bouzjani
Martin Ressaar
Complex Roots Visualized #2
Discover Topics
Random Experiments
Hypothesis Testing
Logarithmic Functions
Ratios
Expected Value