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GoGeometry Action 20!
Author:
Tim Brzezinski
Topic:
Incircle or Inscribed Circle
Creation of this applet was inspired by a
tweet
from
Antonio Gutierrez
. What is the sum of the measures of the
red angle
and
blue angle
?
How can you formally prove this true?
GeoGebra
Quick (Silent) Demo
New Resources
Angles and Intersecting Lines: Quick Investigation
Witch of Agnesi - A Classical Construction
"Compressed" Astroid as Envelope
Drag that Point!
Napoleon's Theorem
Discover Resources
Triangle Inequalities
Calculus 1 Labs
Sample title
Tetrahedron
Chinese Match Puzzles 1-8'in kopyası
Discover Topics
Numbers
Algebra
Reflection
Straight Lines
Coordinates