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Incenter Animations
Author:
Steve Phelps
Use the sliders a, b, and c to change the speed of points A, B, and C respectively.
GeoGebra
Inspired by
http://blog.matthen.com/post/126844079841/for-any-triangle-you-can-draw-a-circle-that-fits
New Resources
Art and Rotational Symmetry
Road Runner (beep, beep)
Shade a spheric triangle with "surface".
探究由平行線和截線所成的角
bearing HK
Discover Resources
er56e3
Maze Design Project
Concurrency
A274119-GF
G.4 - 6 Setting up Trigonometric Ratios
Discover Topics
Normal Distribution
Pyramid
Tangent Line or Tangent
Terms
Quadrilaterals