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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
Parallel or Not? (V2)
Construct a Square
Cross Product in 2D and 3D
Teorema Japonês para quadriláteros inscritos em uma circunferência
Supplementary Angles
Discover Resources
Derivative Relationships
Gjett vinkelen
Sum of exterior angles of a polygon
parallel lines with transversal
Ico-Count
Discover Topics
Division
Parallelogram
Function Graph
Line Segment
Straight Lines