Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Centers Associated With The Incenter
Author:
Steve Phelps
Topic:
Geometry
Centers associated with the incenter. Gergonne Point - Cevians to contact point of incircle Nagel Point - Cevians to contact point of excircle Spieker Center - incenter of medial triangle
GeoGebra
New Resources
van Aubel's Theorem
Bottema's Theorem
Slope of a Straight Line: Run and Rise
Construct a Square
Simplifying Radicals: Geometric Thin Slice
Discover Resources
Using the Quadratic Formula to Solve a Quadratic Equation
ggb44 spreadsheet demo
Simulating a Difference of Two Means
Improper integral of power functions
Adding Vector
Discover Topics
Logarithm
Reflection
Constructions
Derivative
Similarity Transformation or Similarity