As in the figure, are tangency to both and with the point of tangency to them and are on . Show that is the incentre of
Follow Math Help Forum on Facebook and Google+
I can prove that if then we are done. But how to show that these two angles are actually equal?
Last edited by elim; January 18th 2011 at 11:56 PM.
Last edited by elim; January 22nd 2011 at 08:53 AM.
View Tag Cloud