Let Γ be the circumcircle of ΔABC and let D be the midpoint of the arc BC. Prove that below three points are collinear :
1) A
2) the incenter I of ΔABC
3) D
http://tube.geogebra.org/m/1437801

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why not??

\(\angle BAD =\angle CAD\) since arc BD = arc CD

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