Incircle and excircles of a triangle

Topic:Geometry, Incircle or Inscribed Circle

Triangle ABC and extended sides shown in red Internal angle bisectors shown in green External angle bisectors shown in blue Some construction lines and points are hidden

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Hypocycloids
Limaçons
Tracing r = 2 cos(θ)
bewijs stelling van Pythagoras
Graphing a Circle in Polar Coordinates

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distance_formula_pythagorean
Rhombus?
Modul2 polygon_Nurlaela Sari_SMPN 114
Scalar Product with Scalar Projection
Unit Circle - exact values

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Circle
Cuboid
Linear Equations
Triangles
Poisson Distribution