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GoGeometry Action 21!
Author:
Tim Brzezinski
Creation of this applet was inspired by a
tweet
from
Antonio Gutierrez
.
How can you formally prove what this applet informally illustrates?
GeoGebra
Quick (Silent) Demo
New Resources
apec
Golden Rectangles and Golden Spirals
Basic Percent Exercises (V2)
Parts of a Circle
Basic Percent Exercises (V1)
Discover Resources
Involute
test99
UNIT 3-2: PART A
Perplexing Parallelograms
Alvarez_B1_Reflections
Reflecting Points on the Coordinate Plane
Discover Topics
Pie Chart or Circle Chart
Diagrams
Logarithmic Functions
General Quadrilateral
Unit Circle