M2_8_8_6_7

8_6_7

Verify that the incenter is, in general, the only point in the interior of a triangle that is its own isogonal conjugate. Find all points in the exterior of the triangle that are isogonal conjugates of themselves.

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Billard V5.2 and V6
bewijs stelling van Pythagoras
montecarlo circles 5
apec
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Ornelas, R perpendicular lines
#38 Nested tangent circles 2
Vertical Compression of Function
HG1b-app

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Funzioni logaritmiche
Rette
Congruenza
Addizione
Algebra